{"id":63061,"date":"2024-08-28T08:00:00","date_gmt":"2024-08-28T02:30:00","guid":{"rendered":"https:\/\/ye1o34zhk8.onrocket.site\/?p=63061"},"modified":"2024-08-31T20:10:46","modified_gmt":"2024-08-31T14:40:46","slug":"process-control-terms","status":"publish","type":"post","link":"https:\/\/instrumentationtools.com\/process-control-terms\/","title":{"rendered":"143 Process Control Terms and Glossary &#8211; Questions Answers"},"content":{"rendered":"\n<p>Learn the 143 <strong>process control terms<\/strong> with our detailed questions and answers glossary to review your technical knowledge.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-process-control-terms\">Process Control Terms<\/h2>\n\n\n\n<p>This <a href=\"https:\/\/instrumentationtools.com\/what-is-advanced-process-control-apc\/\" target=\"_blank\" rel=\"noreferrer noopener\">process control<\/a> terms video provides the first 50 questions with detailed explanations.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Process Control Terms - Questions and Answers\" width=\"1240\" height=\"698\" src=\"https:\/\/www.youtube.com\/embed\/SZMQ6xfnaKg?list=PLI78ZBihrkE3r0spCEdNIGmbaEfKPqUSa\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 1<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-multi-position-controller\">What is a Multi-position Controller?<\/h3>\n\n\n\n<p>A. A controller with binary output<\/p>\n\n\n\n<p>B. A controller with constant output<\/p>\n\n\n\n<p>C. A controller without sensors input<\/p>\n\n\n\n<p>D. A controller with multiple discrete output values<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller with multiple discrete output values<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 2<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-cascade-control-action\">What is <a href=\"https:\/\/instrumentationtools.com\/cascade-control-principle\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cascade Control<\/a> Action?<\/h3>\n\n\n\n<p>A. Control with feedback and feedforward<\/p>\n\n\n\n<p>B. Control where one controller&#8217;s input is another&#8217;s setpoint<\/p>\n\n\n\n<p>C. Control where one controller&#8217;s output is another&#8217;s setpoint<\/p>\n\n\n\n<p>D. Control with multiple outputs<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control where one controller&#8217;s output is another&#8217;s setpoint<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 3<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-ambient-pressure\">What is Ambient Pressure?<\/h3>\n\n\n\n<p>A. The pressure at the output<\/p>\n\n\n\n<p>B. The internal device pressure<\/p>\n\n\n\n<p>C. The pressure at the sensing element<\/p>\n\n\n\n<p>D. The pressure of the medium surrounding a device<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The pressure of the medium surrounding a device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 4<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-hysteresis\">What is Hysteresis?<\/h3>\n\n\n\n<p>A. Difference between maximum and minimum output<\/p>\n\n\n\n<p>B. Maximum difference between upscale and downscale values<\/p>\n\n\n\n<p>C. Minimum difference between input and output<\/p>\n\n\n\n<p>D. Error at zero input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Maximum difference between upscale and downscale values<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 5<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-self-operated-regulator-controller\">What is a Self-Operated (Regulator) Controller?<\/h3>\n\n\n\n<p>A. A controller requiring external power<\/p>\n\n\n\n<p>B. A controller with binary output<\/p>\n\n\n\n<p>C. A controller using energy from the controlled system<\/p>\n\n\n\n<p>D. A feedback-free controller<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller using energy from the controlled system<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 6<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-error\">What is an <a href=\"https:\/\/instrumentationtools.com\/instrument-percent-of-span-error\/\" target=\"_blank\" rel=\"noreferrer noopener\">Error<\/a>?<\/h3>\n\n\n\n<p>A. The input signal to a controller<\/p>\n\n\n\n<p>B. The rate of change of a variable<\/p>\n\n\n\n<p>C. The desired value of a variable<\/p>\n\n\n\n<p>D. The deviation between measured and true value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The deviation between measured and true value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 7<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-thermal-shock\">What is Thermal Shock?<\/h3>\n\n\n\n<p>A. Desired temperature setpoint<\/p>\n\n\n\n<p>B. Gradual temperature change<\/p>\n\n\n\n<p>C. Noise in the system<\/p>\n\n\n\n<p>D. Abrupt temperature change<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Abrupt temperature change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 8<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-time-response\">What is Time Response?<\/h3>\n\n\n\n<p>A. The response to a gradual input change<\/p>\n\n\n\n<p>B. The behavior of output over time<\/p>\n\n\n\n<p>C. The time response to an input change<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time response to an input change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 9<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-common-mode-interference\">What is Common Mode Interference?<\/h3>\n\n\n\n<p>A. Interference between measuring circuit terminals and ground<\/p>\n\n\n\n<p>B. Electrostatic field interference<\/p>\n\n\n\n<p>C. Magnetic field interference<\/p>\n\n\n\n<p>D. Interference between signal terminals<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference between measuring circuit terminals and ground<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 10<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-reproducibility\">What is Reproducibility?<\/h3>\n\n\n\n<p>A. Performance during failure<\/p>\n\n\n\n<p>B. Average performance over time<\/p>\n\n\n\n<p>C. Closeness of consecutive measurements over time<\/p>\n\n\n\n<p>D. The ability to maintain a setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Closeness of consecutive measurements over time<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 11<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-auctioneering-device\">What is an Auctioneering Device?<\/h3>\n\n\n\n<p>A. A cost analysis tool<\/p>\n\n\n\n<p>B. A selector of extreme signals<\/p>\n\n\n\n<p>C. A device for bidding<\/p>\n\n\n\n<p>D. A data aggregator<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A selector of extreme signals<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 12<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-supervisory-control-action\">What is Supervisory Control Action?<\/h3>\n\n\n\n<p>A. Independent control with intermittent corrections<\/p>\n\n\n\n<p>B. Control with external adjustments<\/p>\n\n\n\n<p>C. Control with no feedback<\/p>\n\n\n\n<p>D. Direct control of all loops<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Independent control with intermittent corrections<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 13<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-transducer\">What is a <a href=\"https:\/\/instrumentationtools.com\/types-of-transducers\/\">Transducer<\/a>?<\/h3>\n\n\n\n<p>A. The desired setpoint<\/p>\n\n\n\n<p>B. A device converting one form of energy to another<\/p>\n\n\n\n<p>C. A device converting one form of energy to voltage<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A device converting one form of energy to another<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 14<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-closed-feedback-loop-loop\">What is a Closed (Feedback Loop) Loop?<\/h3>\n\n\n\n<p>A. A signal path with external control<\/p>\n\n\n\n<p>B. A manual control system<\/p>\n\n\n\n<p>C. A signal path including feedback<\/p>\n\n\n\n<p>D. A signal path without feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A signal path including feedback<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 15<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-proportional-gain\">What is Proportional Gain?<\/h3>\n\n\n\n<p>A. Minimum gain of a system<\/p>\n\n\n\n<p>B. Gain with integral control<\/p>\n\n\n\n<p>C. Ratio of output change to input change<\/p>\n\n\n\n<p>D. Gain with feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Ratio of output change to input change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 16<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-reverse-acting-controller\">What is a Reverse-Acting Controller?<\/h3>\n\n\n\n<p>A. A controller where output decreases with input<\/p>\n\n\n\n<p>B. A feedback-free controller<\/p>\n\n\n\n<p>C. A controller with binary output<\/p>\n\n\n\n<p>D. A controller with constant output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller where output decreases with input<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 17<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-static-gain\">What is Static Gain?<\/h3>\n\n\n\n<p>A. Gain without feedback<\/p>\n\n\n\n<p>B. Gain at zero frequency<\/p>\n\n\n\n<p>C. Gain with constant input<\/p>\n\n\n\n<p>D. Gain with feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Gain at zero frequency<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 18<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-ramp-response-time\">What is Ramp Response Time?<\/h3>\n\n\n\n<p>A. The stability of the control system<\/p>\n\n\n\n<p>B. The time of response to input change<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The time interval by which an output lags an input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time interval by which an output lags an input<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 19<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-controlling-system\">What is a Controlling System?<\/h3>\n\n\n\n<p>A. A system with fixed output<\/p>\n\n\n\n<p>B. A system with no feedback<\/p>\n\n\n\n<p>C. A system for manual adjustments<\/p>\n\n\n\n<p>D. A system for deliberate manipulation of variables<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A system for deliberate manipulation of variables<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 20<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-derivative-rate-control-action\">What is <a href=\"https:\/\/instrumentationtools.com\/derivative-rate-control-theory\/\" target=\"_blank\" rel=\"noreferrer noopener\">Derivative<\/a> (Rate) Control Action?<\/h3>\n\n\n\n<p>A. Control based on cumulative error<\/p>\n\n\n\n<p>B. Control based on current error<\/p>\n\n\n\n<p>C. Control based on rate of change of error<\/p>\n\n\n\n<p>D. Control based on absolute value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control based on rate of change of error<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 21<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-integral-reset-control-action\">What is Integral (Reset) Control Action?<\/h3>\n\n\n\n<p>A. Control ignoring past errors<\/p>\n\n\n\n<p>B. Control based on current error<\/p>\n\n\n\n<p>C. Control predicting future error<\/p>\n\n\n\n<p>D. Control based on cumulative error<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control based on cumulative error<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 22<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-load-impedance\">What is <a href=\"https:\/\/instrumentationtools.com\/surge-impedance-loading-transmission-line\/\" target=\"_blank\" rel=\"noreferrer noopener\">Load Impedance<\/a>?<\/h3>\n\n\n\n<p>A. Impedance presented by the source<\/p>\n\n\n\n<p>B. Impedance presented to the output<\/p>\n\n\n\n<p>C. Impedance of the signal<\/p>\n\n\n\n<p>D. Impedance of the input device<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Impedance presented to the output<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 23<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-zero-error\">What is Zero Error?<\/h3>\n\n\n\n<p>A. Error at any point<\/p>\n\n\n\n<p>B. Error due to drift<\/p>\n\n\n\n<p>C. Error at the upper range value<\/p>\n\n\n\n<p>D. Error at the zero point<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Error at the zero point<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 24<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-transmitter\">What is a <a href=\"https:\/\/instrumentationtools.com\/temperature-transmitter-preventive-maintenance\/\" target=\"_blank\" rel=\"noreferrer noopener\">Transmitter<\/a>?<\/h3>\n\n\n\n<p>A. The desired setpoint<\/p>\n\n\n\n<p>B. A device converting signals<\/p>\n\n\n\n<p>C. A transducer responding to a measured variable<\/p>\n\n\n\n<p>D. A device receiving signals<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A transducer responding to a measured variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 25<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-system-deviation\">What is System Deviation?<\/h3>\n\n\n\n<p>A. Setpoint change<\/p>\n\n\n\n<p>B. Instantaneous value minus setpoint<\/p>\n\n\n\n<p>C. Desired value<\/p>\n\n\n\n<p>D. Constant output range<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Instantaneous value minus setpoint<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 26<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-noise\">What is Noise?<\/h3>\n\n\n\n<p>A. Unwanted signal component<\/p>\n\n\n\n<p>B. The desired signal component<\/p>\n\n\n\n<p>C. The speed of response<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Unwanted signal component<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 27<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-repeatability\">What is <a href=\"https:\/\/instrumentationtools.com\/difference-between-repeatability-and-reproducibility\/\" target=\"_blank\" rel=\"noreferrer noopener\">Repeatability<\/a>?<\/h3>\n\n\n\n<p>A. Performance during failure<\/p>\n\n\n\n<p>B. Closeness of consecutive measurements under the same conditions<\/p>\n\n\n\n<p>C. Average performance over time<\/p>\n\n\n\n<p>D. The ability to maintain a setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Closeness of consecutive measurements under the same conditions<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 28<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-time-constant\">What is the Time Constant?<\/h3>\n\n\n\n<p>A. The value T in an exponential response term<\/p>\n\n\n\n<p>B. The stability of the control system<\/p>\n\n\n\n<p>C. The time of response to input change<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The value T in an exponential response term<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 29<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-feedforward-control-action\">What is <a href=\"https:\/\/instrumentationtools.com\/feedforward-control-with-dynamic-compensation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Feedforward Control<\/a> Action?<\/h3>\n\n\n\n<p>A. Control based on predicted disturbances<\/p>\n\n\n\n<p>B. Control based on feedback<\/p>\n\n\n\n<p>C. Control based on average values<\/p>\n\n\n\n<p>D. Control with no adjustments<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control based on predicted disturbances<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 30<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-primary-element\">What is a Primary Element?<\/h3>\n\n\n\n<p>A. The system element converting measured variable energy<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The final controlling element<\/p>\n\n\n\n<p>D. The element providing feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The system element converting measured variable energy<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 31<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-frequency-response-characteristic\">What is a Frequency Response Characteristic?<\/h3>\n\n\n\n<p>A. A graph of flow rate changes<\/p>\n\n\n\n<p>B. A plot of temperature vs. time<\/p>\n\n\n\n<p>C. Relationship between input and output frequencies<\/p>\n\n\n\n<p>D. A plot of amplitude and phase vs. frequency<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A plot of amplitude and phase vs. frequency<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 32<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-indirectly-controlled-variable\">What is an Indirectly-Controlled Variable?<\/h3>\n\n\n\n<p>A. A variable whose value is sensed to originate a feedback signal<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. A variable not originating a feedback signal but influenced by another<\/p>\n\n\n\n<p>D. Noise in the system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A variable not originating a feedback signal but influenced by another<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 33<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-signal\">What is a Signal?<\/h3>\n\n\n\n<p>A. The desired setpoint<\/p>\n\n\n\n<p>B. Information about a variable<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. Noise in the system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Information about a variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 34<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-setpoint-command\">What is a Setpoint (Command)?<\/h3>\n\n\n\n<p>A. The actual value of the controlled variable<\/p>\n\n\n\n<p>B. The desired value of the controlled variable<\/p>\n\n\n\n<p>C. The speed of response<\/p>\n\n\n\n<p>D. The deviation from the desired value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The desired value of the controlled variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 35<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-normal-mode-interference\">What is Normal Mode Interference?<\/h3>\n\n\n\n<p>A. Common mode interference<\/p>\n\n\n\n<p>B. Magnetic field interference<\/p>\n\n\n\n<p>C. Interference between measuring circuit terminals<\/p>\n\n\n\n<p>D. Electrostatic field interference<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference between measuring circuit terminals<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 36<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-input-signal\">What is an Input Signal?<\/h3>\n\n\n\n<p>A. The actual value of the controlled variable<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The signal applied to a device<\/p>\n\n\n\n<p>D. The deviation from the desired value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The signal applied to a device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 37<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-shared-time-control-action\">What is Shared Time Control Action?<\/h3>\n\n\n\n<p>A. Control based on time intervals<\/p>\n\n\n\n<p>B. Control action divided among multiple loops<\/p>\n\n\n\n<p>C. Control with constant monitoring<\/p>\n\n\n\n<p>D. Control with no specific schedule<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control action divided among multiple loops<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 38<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-deviation\">What is Deviation?<\/h3>\n\n\n\n<p>A. Maintaining setpoint<\/p>\n\n\n\n<p>B. Constant output range<\/p>\n\n\n\n<p>C. Any departure from desired value<\/p>\n\n\n\n<p>D. No change in input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Any departure from desired value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 39<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-modulation\">What is Modulation?<\/h3>\n\n\n\n<p>A. The process of varying one wave characteristic by another<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. Maintaining a fixed signal<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The process of varying one wave characteristic by another<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 40<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-span\">What is <a href=\"https:\/\/instrumentationtools.com\/instrument-errors\/\" target=\"_blank\" rel=\"noreferrer noopener\">Span<\/a>?<\/h3>\n\n\n\n<p>A. Noise in the system<\/p>\n\n\n\n<p>B. The stability of the control system<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The algebraic difference between the upper and lower range-values<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The algebraic difference between the upper and lower range-values<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 41<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-step-response\">What is Step Response?<\/h3>\n\n\n\n<p>A. The time response to an instantaneous input change<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The behavior of output over time<\/p>\n\n\n\n<p>D. The response to a gradual input change<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time response to an instantaneous input change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 42<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-zero-elevation\">What is Zero Elevation?<\/h3>\n\n\n\n<p>A. The shift of zero above the lower range value<\/p>\n\n\n\n<p>B. The value of zero at the lower range limit<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The shift of zero above the lower range value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 43<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-direct-acting-controller\">What is a <a href=\"https:\/\/instrumentationtools.com\/air-to-open-air-to-close-valves-and-direction-of-control-action\/\" target=\"_blank\" rel=\"noreferrer noopener\">Direct\u2013Acting Controller<\/a>?<\/h3>\n\n\n\n<p>A. A controller with constant output<\/p>\n\n\n\n<p>B. A controller with random output<\/p>\n\n\n\n<p>C. A controller where output increases with input<\/p>\n\n\n\n<p>D. A controller with no feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller where output increases with input<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 44<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-feedback-signal\">What is a Feedback Signal?<\/h3>\n\n\n\n<p>A. Noise in the system<\/p>\n\n\n\n<p>B. The deviation from the desired value<\/p>\n\n\n\n<p>C. The return signal from a measurement<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The return signal from a measurement<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 45<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-are-normal-operating-conditions\">What are Normal Operating Conditions?<\/h3>\n\n\n\n<p>A. Range of conditions for normal operation<\/p>\n\n\n\n<p>B. Conditions during device failure<\/p>\n\n\n\n<p>C. The speed of response<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Range of conditions for normal operation<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 46<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-rise-time\">What is Rise Time?<\/h3>\n\n\n\n<p>A. The stability of the control system<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The time required for output to change from a specified percentage of the steady-state increment<\/p>\n\n\n\n<p>D. The time of response to input change<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time required for output to change from a specified percentage of the steady-state increment<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 47<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-directly-controlled-system\">What is a Directly-Controlled System?<\/h3>\n\n\n\n<p>A. A system with manual adjustments<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The system directly guided by the final controlling element<\/p>\n\n\n\n<p>D. A feedback-free system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The system directly guided by the final controlling element<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 48<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-signal-output\">What is Signal Output?<\/h3>\n\n\n\n<p>A. Noise in the system<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The deviation from the desired value<\/p>\n\n\n\n<p>D. The signal delivered by a device<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The signal delivered by a device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 49<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-summing-point\">What is a Summing Point?<\/h3>\n\n\n\n<p>A. The point where signals are added algebraically<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The deviation from the desired value<\/p>\n\n\n\n<p>D. Noise in the system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The point where signals are added algebraically<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 50<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-multi-element-multi-variable-control-system\">What is a Multi-Element (Multi-Variable) <a href=\"https:\/\/instrumentationtools.com\/free-industrial-control-system-ics-cyber-security-training-course\/\" target=\"_blank\" rel=\"noreferrer noopener\">Control System<\/a>?<\/h3>\n\n\n\n<p>A. A system using multiple process variables<\/p>\n\n\n\n<p>B. A fixed-variable system<\/p>\n\n\n\n<p>C. A single-loop control system<\/p>\n\n\n\n<p>D. A system with one input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A system using multiple process variables<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-process-control-glossary\">Process Control Glossary<\/h2>\n\n\n\n<p>This process control glossary video provides the next 50 questions with detailed explanations.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Process Control Glossary - Questions and Answers\" width=\"1240\" height=\"698\" src=\"https:\/\/www.youtube.com\/embed\/Fopfqpr7m84?list=PLI78ZBihrkE3r0spCEdNIGmbaEfKPqUSa\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 51<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-proportional-plus-integral-reset-pi-controller\">What is a Proportional Plus Integral (Reset) (PI) Controller?<\/h3>\n\n\n\n<p>A. A controller with derivative action only<\/p>\n\n\n\n<p>B. A controller combining proportional and integral actions<\/p>\n\n\n\n<p>C. A controller with constant output<\/p>\n\n\n\n<p>D. A controller with no integral action<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller combining proportional and integral actions<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 52<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-load-regulation\">What is Load Regulation?<\/h3>\n\n\n\n<p>A. The change in output from no-load to full-load<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. The ability to maintain a setpoint<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The change in output from no-load to full-load<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 53<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-reference-performance\">What is Reference Performance?<\/h3>\n\n\n\n<p>A. Average performance over time<\/p>\n\n\n\n<p>B. Performance during failure<\/p>\n\n\n\n<p>C. Performance under varying conditions<\/p>\n\n\n\n<p>D. Performance under reference conditions<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Performance under reference conditions<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 54<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-step-response-time\">What is Step Response Time?<\/h3>\n\n\n\n<p>A. The stability of the control system<\/p>\n\n\n\n<p>B. The time of response to input change<\/p>\n\n\n\n<p>C. The time required for an output to change from an initial value to a large specified percentage of the final steady-state value<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time required for an output to change from an initial value to a large specified percentage of the final steady-state value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 55<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-dead-time\">What is Dead Time?<\/h3>\n\n\n\n<p>A. The interval between input change and response<\/p>\n\n\n\n<p>B. The time of response to input change<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The interval between input change and response<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 56<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-sampling-period\">What is the Sampling Period?<\/h3>\n\n\n\n<p>A. The speed of response<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The continuous observation interval<\/p>\n\n\n\n<p>D. The time interval between observations<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time interval between observations<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 57<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-suppressed-zero-range\">What is the Suppressed-Zero Range?<\/h3>\n\n\n\n<p>A. A fixed value range<\/p>\n\n\n\n<p>B. A range with zero below the lower range-value<\/p>\n\n\n\n<p>C. A range with zero at the midpoint<\/p>\n\n\n\n<p>D. A range with zero at the upper limit<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A range with zero below the lower range-value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 58<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-integral-action-rate-reset-rate\">What is <a href=\"https:\/\/instrumentationtools.com\/integral-reset-control-theory\/\" target=\"_blank\" rel=\"noreferrer noopener\">Integral Action Rate<\/a> (Reset Rate)?<\/h3>\n\n\n\n<p>A. Speed of proportional response<\/p>\n\n\n\n<p>B. Rate of change of the output signal<\/p>\n\n\n\n<p>C. Rate of change of the input signal<\/p>\n\n\n\n<p>D. Ratio of integral response to proportional response<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Ratio of integral response to proportional response<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 59<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-offset\">What is Offset?<\/h3>\n\n\n\n<p>A. The desired setpoint<\/p>\n\n\n\n<p>B. The steady-state deviation from setpoint<\/p>\n\n\n\n<p>C. The speed of response<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The steady-state deviation from setpoint<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 60<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-signal-transducer-signal-converter\">What is a Signal Transducer (Signal Converter)?<\/h3>\n\n\n\n<p>A. A device converting one form of energy to another<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. Noise in the system<\/p>\n\n\n\n<p>D. The deviation from the desired value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A device converting one form of energy to another<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 61<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-lower-range-limit\">What is a Lower Range-Limit?<\/h3>\n\n\n\n<p>A. The lowest quantity measurable<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The midpoint of the range<\/p>\n\n\n\n<p>D. The highest quantity measurable<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The lowest quantity measurable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 62<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-manipulated-variable\">What is a <a href=\"https:\/\/instrumentationtools.com\/pid-controller-gains-effect-on-manipulated-variable\/\" target=\"_blank\" rel=\"noreferrer noopener\">Manipulated Variable<\/a>?<\/h3>\n\n\n\n<p>A. A fixed characteristic of the system<\/p>\n\n\n\n<p>B. Noise in the system<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. A quantity varied to change the controlled variable<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A quantity varied to change the controlled variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 63<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-loop-gain\">What is Loop Gain?<\/h3>\n\n\n\n<p>A. Minimum gain of a system<\/p>\n\n\n\n<p>B. Gain with constant input<\/p>\n\n\n\n<p>C. Ratio of output to error signal<\/p>\n\n\n\n<p>D. Gain of the open loop<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Ratio of output to error signal<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 64<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-control-mode\">What is Control Mode?<\/h3>\n\n\n\n<p>A. A random control method<\/p>\n\n\n\n<p>B. A fixed control output<\/p>\n\n\n\n<p>C. A specific control strategy<\/p>\n\n\n\n<p>D. A feedback-free control<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A specific control strategy<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 65<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-electrical-interference\">What is Electrical Interference?<\/h3>\n\n\n\n<p>A. Desired signal component<\/p>\n\n\n\n<p>B. Stable output signal<\/p>\n\n\n\n<p>C. External voltage or current affecting circuits<\/p>\n\n\n\n<p>D. Internal noise of a device<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>External voltage or current affecting circuits<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 66<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-controller\">What is a Controller?<\/h3>\n\n\n\n<p>A. A manual adjustment tool<\/p>\n\n\n\n<p>B. An automatic device regulating a variable<\/p>\n\n\n\n<p>C. A feedback-free device<\/p>\n\n\n\n<p>D. A fixed-output device<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>An automatic device regulating a variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 67<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-indirectly-controlled-system\">What is an Indirectly-Controlled System?<\/h3>\n\n\n\n<p>A. The portion of the system influenced by the directly controlled variable<\/p>\n\n\n\n<p>B. A feedback-free system<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. A system with manual adjustments<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The portion of the system influenced by the directly controlled variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 68<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-indicator-travel\">What is Indicator Travel?<\/h3>\n\n\n\n<p>A. Movement of the control element<\/p>\n\n\n\n<p>B. Length of the path described by the indicator<\/p>\n\n\n\n<p>C. Distance of the output signal<\/p>\n\n\n\n<p>D. Distance between input and output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Length of the path described by the indicator<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 69<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-relative-damping\">What is Relative <a href=\"https:\/\/instrumentationtools.com\/process-variable-damping-of-transmitter\/\" target=\"_blank\" rel=\"noreferrer noopener\">Damping<\/a>?<\/h3>\n\n\n\n<p>A. Damping with no feedback<\/p>\n\n\n\n<p>B. Absolute damping value<\/p>\n\n\n\n<p>C. Fixed damping ratio<\/p>\n\n\n\n<p>D. Number expressing quotient of actual to critical damping<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Number expressing quotient of actual to critical damping<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 70<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-drift\">What is <a href=\"https:\/\/instrumentationtools.com\/industrial-instrumentation-questions\/\" target=\"_blank\" rel=\"noreferrer noopener\">Drift<\/a>?<\/h3>\n\n\n\n<p>A. Change in output-input relationship over time<\/p>\n\n\n\n<p>B. Stable output over time<\/p>\n\n\n\n<p>C. Sudden output change<\/p>\n\n\n\n<p>D. Constant input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Change in output-input relationship over time<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 71<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-dead-zone\">What is a Dead Zone?<\/h3>\n\n\n\n<p>A. The stability of the control system<\/p>\n\n\n\n<p>B. The range through which an input change causes no response<\/p>\n\n\n\n<p>C. The range with maximum response<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The range through which an input change causes no response<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 72<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-closed-loop-gain\">What is Closed Loop Gain?<\/h3>\n\n\n\n<p>A. Maximum gain of a system<\/p>\n\n\n\n<p>B. Gain with feedback<\/p>\n\n\n\n<p>C. Minimum gain of a system<\/p>\n\n\n\n<p>D. Gain without feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Gain with feedback<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 73<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-power-consumption\">What is Power Consumption?<\/h3>\n\n\n\n<p>A. The energy used by a device under steady-state conditions<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. The maximum voltage of a device<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The energy used by a device under steady-state conditions<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 74<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-final-controlling-element\">What is a Final Controlling Element?<\/h3>\n\n\n\n<p>A. Initial sensing device<\/p>\n\n\n\n<p>B. Intermediate control component<\/p>\n\n\n\n<p>C. Feedback element<\/p>\n\n\n\n<p>D. Directly changes manipulated variable<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Directly changes manipulated variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 75<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-process-pressure\">What is Process Pressure?<\/h3>\n\n\n\n<p>A. The pressure of the process medium at the sensing element<\/p>\n\n\n\n<p>B. The internal device pressure<\/p>\n\n\n\n<p>C. The desired setpoint pressure<\/p>\n\n\n\n<p>D. The pressure at the output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The pressure of the process medium at the sensing element<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 76<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-zero-suppression\">What is <a href=\"https:\/\/instrumentationtools.com\/dp-level-transmitter-with-zero-suppression\/\" target=\"_blank\" rel=\"noreferrer noopener\">Zero Suppression<\/a>?<\/h3>\n\n\n\n<p>A. The shift of zero below the lower range value<\/p>\n\n\n\n<p>B. The value of zero at the lower range limit<\/p>\n\n\n\n<p>C. A constant zero value<\/p>\n\n\n\n<p>D. The shift of zero above the lower range value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The shift of zero below the lower range value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 77<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-resolution\">What is Resolution?<\/h3>\n\n\n\n<p>A. The degree to which equal values can be discriminated<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. The speed of response<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The degree to which equal values can be discriminated<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 78<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-open-loop\">What is an <a href=\"https:\/\/instrumentationtools.com\/open-loop-and-closed-loop-animation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Open Loop<\/a>?<\/h3>\n\n\n\n<p>A. A signal path with external control<\/p>\n\n\n\n<p>B. A signal path without feedback<\/p>\n\n\n\n<p>C. A signal path with feedback<\/p>\n\n\n\n<p>D. A manual control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A signal path without feedback<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 79<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-electrostatic-field-interference\">What is Electrostatic Field Interference?<\/h3>\n\n\n\n<p>A. Interference from magnetic fields<\/p>\n\n\n\n<p>B. Interference induced by electrostatic fields<\/p>\n\n\n\n<p>C. Internal noise<\/p>\n\n\n\n<p>D. Stable output signal<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference induced by electrostatic fields<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 80<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-reference-input-signal\">What is a Reference-Input Signal?<\/h3>\n\n\n\n<p>A. Noise in the system<\/p>\n\n\n\n<p>B. The external standard for comparison<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The deviation from the desired value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The external standard for comparison<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 81<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-proportional-plus-derivative-rate-pd-controller\">What is a Proportional Plus Derivative (Rate) (PD) Controller?<\/h3>\n\n\n\n<p>A. A controller combining proportional and rate actions<\/p>\n\n\n\n<p>B. A controller with constant output<\/p>\n\n\n\n<p>C. A controller with integral action only<\/p>\n\n\n\n<p>D. A controller with no derivative action<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller combining proportional and rate actions<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 82<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-adaptive-control-action\">What is Adaptive Control Action?<\/h3>\n\n\n\n<p>A. Automatic adjustment of control parameters<\/p>\n\n\n\n<p>B. Time-based control changes<\/p>\n\n\n\n<p>C. Fixed control parameters<\/p>\n\n\n\n<p>D. Manual control adjustments<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Automatic adjustment of control parameters<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 83<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-magnetic-field-interference\">What is Magnetic Field Interference?<\/h3>\n\n\n\n<p>A. Stable output signal<\/p>\n\n\n\n<p>B. Internal noise<\/p>\n\n\n\n<p>C. Electrostatic field interference<\/p>\n\n\n\n<p>D. Interference from magnetic fields<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference from magnetic fields<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 84<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-differential-mode-interference\">What is Differential Mode Interference?<\/h3>\n\n\n\n<p>A. Magnetic field interference<\/p>\n\n\n\n<p>B. Electrostatic field interference<\/p>\n\n\n\n<p>C. Interference between measuring circuit terminals<\/p>\n\n\n\n<p>D. Interference between circuit terminals and ground<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference between measuring circuit terminals<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 85<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-directly-controlled-variable\">What is a Directly Controlled Variable?<\/h3>\n\n\n\n<p>A. The desired setpoint<\/p>\n\n\n\n<p>B. A variable influenced by another variable<\/p>\n\n\n\n<p>C. A variable whose value is sensed to originate a feedback signal<\/p>\n\n\n\n<p>D. Noise in the system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A variable whose value is sensed to originate a feedback signal<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 86<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-proportional-control-action\">What is <a href=\"https:\/\/instrumentationtools.com\/controlling-of-tank-level-using-proportional-controller-in-plc\/\" target=\"_blank\" rel=\"noreferrer noopener\">Proportional Control<\/a> Action?<\/h3>\n\n\n\n<p>A. Continuous linear control action<\/p>\n\n\n\n<p>B. Non-linear control action<\/p>\n\n\n\n<p>C. Random control action<\/p>\n\n\n\n<p>D. Discrete control action<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Continuous linear control action<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 87<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-return-signal\">What is a Return Signal?<\/h3>\n\n\n\n<p>A. The deviation from the desired value<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. Noise in the system<\/p>\n\n\n\n<p>D. The signal from the output to the input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The signal from the output to the input<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 88<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-ratio-controller\">What is a <a href=\"https:\/\/instrumentationtools.com\/identify-the-purpose-of-flow-ratio-controller\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ratio Controller<\/a>?<\/h3>\n\n\n\n<p>A. A controller with no feedback<\/p>\n\n\n\n<p>B. A controller with constant output<\/p>\n\n\n\n<p>C. A controller with binary output<\/p>\n\n\n\n<p>D. A controller maintaining a fixed ratio<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller maintaining a fixed ratio<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 89<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-time-proportioning-controller\">What is a Time Proportioning Controller?<\/h3>\n\n\n\n<p>A. A controller with binary output<\/p>\n\n\n\n<p>B. A feedback-free controller<\/p>\n\n\n\n<p>C. A controller using periodic pulses<\/p>\n\n\n\n<p>D. A controller with continuous output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller using periodic pulses<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 90<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-pressure-supply\">What is Pressure Supply?<\/h3>\n\n\n\n<p>A. The internal device pressure<\/p>\n\n\n\n<p>B. The desired setpoint pressure<\/p>\n\n\n\n<p>C. The pressure at the supply port of the device<\/p>\n\n\n\n<p>D. The pressure at the output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The pressure at the supply port of the device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 91<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-transverse-interference\">What is Transverse Interference?<\/h3>\n\n\n\n<p>A. Internal noise<\/p>\n\n\n\n<p>B. Interference between measuring circuit terminals<\/p>\n\n\n\n<p>C. Interference from longitudinal fields<\/p>\n\n\n\n<p>D. Interference between circuit terminals and ground<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference between measuring circuit terminals<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 92<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-proportional-plus-derivative-rate-control-action\">What is Proportional Plus Derivative (Rate) Control Action?<\/h3>\n\n\n\n<p>A. Control based on constant value<\/p>\n\n\n\n<p>B. Control based on cumulative error<\/p>\n\n\n\n<p>C. Control predicting future error<\/p>\n\n\n\n<p>D. Control with no integral action<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control predicting future error<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 93<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-integral-reset-i-controller\">What is an Integral (Reset) (I) Controller?<\/h3>\n\n\n\n<p>A. A controller with constant output<\/p>\n\n\n\n<p>B. A controller with no integral action<\/p>\n\n\n\n<p>C. A controller with derivative action only<\/p>\n\n\n\n<p>D. A controller producing integral control action only<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller producing integral control action only<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 94<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-sampling-controller\">What is a Sampling Controller?<\/h3>\n\n\n\n<p>A. A controller with binary output<\/p>\n\n\n\n<p>B. A feedback-free controller<\/p>\n\n\n\n<p>C. A controller using intermittent signal observations<\/p>\n\n\n\n<p>D. A controller with continuous monitoring<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller using intermittent signal observations<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 95<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-ambient-temperature\">What is Ambient Temperature?<\/h3>\n\n\n\n<p>A. Noise in the system<\/p>\n\n\n\n<p>B. The temperature of the medium surrounding a device<\/p>\n\n\n\n<p>C. The internal temperature of a device<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The temperature of the medium surrounding a device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 96<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-measured-signal\">What is a <a href=\"https:\/\/instrumentationtools.com\/why-4-20-ma-is-used-instead-of-voltage-signal\/\" target=\"_blank\" rel=\"noreferrer noopener\">Measured Signal<\/a>?<\/h3>\n\n\n\n<p>A. The deviation from the desired value<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. Noise in the system<\/p>\n\n\n\n<p>D. The signal representing the measured variable<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The signal representing the measured variable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 97<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-overrange\">What is Overrange?<\/h3>\n\n\n\n<p>A. Range above upper limit<\/p>\n\n\n\n<p>B. Range within specified limits<\/p>\n\n\n\n<p>C. Desired range of operation<\/p>\n\n\n\n<p>D. Range below lower limit<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Range above upper limit<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 98<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-proportional-plus-integral-reset-control-action\">What is Proportional Plus Integral (Reset) Control Action?<\/h3>\n\n\n\n<p>A. Control based on current and past errors<\/p>\n\n\n\n<p>B. Control with constant output<\/p>\n\n\n\n<p>C. Control ignoring past errors<\/p>\n\n\n\n<p>D. Control predicting future error<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control based on current and past errors<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 99<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-settling-time\">What is Settling Time?<\/h3>\n\n\n\n<p>A. The time required for the output to stabilize within a specified band<\/p>\n\n\n\n<p>B. The time of response to input change<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time required for the output to stabilize within a specified band<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 100<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-mounting-position\">What is the Mounting Position?<\/h3>\n\n\n\n<p>A. The internal layout of a device<\/p>\n\n\n\n<p>B. The stability of the control system<\/p>\n\n\n\n<p>C. The position of a device relative to surroundings<\/p>\n\n\n\n<p>D. The speed of response<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The position of a device relative to surroundings<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-process-control-terminology\">Process Control Terminology<\/h2>\n\n\n\n<p>This process control terminology video provides you the detailed explanations for the remaining questions.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=pU8w59BKIyo&amp;list=PLI78ZBihrkE3r0spCEdNIGmbaEfKPqUSa&amp;index=46\">https:\/\/www.youtube.com\/watch?v=pU8w59BKIyo&amp;list=PLI78ZBihrkE3r0spCEdNIGmbaEfKPqUSa&amp;index=46<\/a><\/p>\n\n\n\n<p><strong>Question 101<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-linearity\">What is Linearity?<\/h3>\n\n\n\n<p>A. The speed of response<\/p>\n\n\n\n<p>B. The ability to maintain a fixed value<\/p>\n\n\n\n<p>C. Closeness to a straight line<\/p>\n\n\n\n<p>D. The stability of output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Closeness to a straight line<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 102<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-signal-to-noise-ratio\">What is the Signal to Noise Ratio?<\/h3>\n\n\n\n<p>A. The deviation from the desired value<\/p>\n\n\n\n<p>B. Noise in the system<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The ratio of signal amplitude to noise amplitude<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The ratio of signal amplitude to noise amplitude<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 103<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-reference-accuracy\">What is Reference <a href=\"https:\/\/instrumentationtools.com\/transmitter\/\" target=\"_blank\" rel=\"noreferrer noopener\">Accuracy<\/a>?<\/h3>\n\n\n\n<p>A. Accuracy in normal conditions<\/p>\n\n\n\n<p>B. Highest possible accuracy<\/p>\n\n\n\n<p>C. Accuracy at a reference point<\/p>\n\n\n\n<p>D. Average accuracy over time<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Accuracy at a reference point<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 104<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-are-operative-limits\">What are Operative Limits?<\/h3>\n\n\n\n<p>A. Range of conditions without impairment<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. Conditions for device failure<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Range of conditions without impairment<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 105<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-span-error\">What is a Span Error?<\/h3>\n\n\n\n<p>A. Error at the lower range value<\/p>\n\n\n\n<p>B. Error at the midpoint<\/p>\n\n\n\n<p>C. Error across the entire range<\/p>\n\n\n\n<p>D. Error in the feedback signal<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Error across the entire range<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 106<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-sensitivity\">What is Sensitivity?<\/h3>\n\n\n\n<p>A. The stability of the control system<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The ratio of output change to input change<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The ratio of output change to input change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 107<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-bode-diagram\">What is a Bode Diagram?<\/h3>\n\n\n\n<p>A. A temperature vs. frequency plot<\/p>\n\n\n\n<p>B. A log-log plot of amplitude and phase<\/p>\n\n\n\n<p>C. A plot of pressure vs. time<\/p>\n\n\n\n<p>D. A flow rate vs. volume plot<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A log-log plot of amplitude and phase<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 108<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-proportional-p-controller\">What is a Proportional (P) Controller?<\/h3>\n\n\n\n<p>A. A feedback-free controller<\/p>\n\n\n\n<p>B. A controller with binary output<\/p>\n\n\n\n<p>C. A controller producing proportional control action only<\/p>\n\n\n\n<p>D. A controller with integral action<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller producing proportional control action only<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 109<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-accuracy\">What is Accuracy?<\/h3>\n\n\n\n<p>A. Speed of response<\/p>\n\n\n\n<p>B. Closeness to true value<\/p>\n\n\n\n<p>C. Range of operation<\/p>\n\n\n\n<p>D. Stability over time<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Closeness to true value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 110<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-proportional-plus-integral-reset-plus-derivative-rate-control-action\">What is Proportional Plus Integral (Reset) Plus Derivative (Rate) Control Action?<\/h3>\n\n\n\n<p>A. Control with no proportional action<\/p>\n\n\n\n<p>B. Combined control based on error and its rate of change<\/p>\n\n\n\n<p>C. Control ignoring future error<\/p>\n\n\n\n<p>D. Control with constant output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Combined control based on error and its rate of change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 111<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-error-signal\">What is an <a href=\"https:\/\/instrumentationtools.com\/dp-transmitter-error-calculations\/\" target=\"_blank\" rel=\"noreferrer noopener\">Error Signal<\/a>?<\/h3>\n\n\n\n<p>A. The actual value of the controlled variable<\/p>\n\n\n\n<p>B. The deviation between setpoint and feedback signal<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. Noise in the system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The deviation between setpoint and feedback signal<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 112<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-dynamic-response\">What is Dynamic Response?<\/h3>\n\n\n\n<p>A. The behavior of output over time<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The behavior of output over time<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 113<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-proportional-plus-integral-reset-plus-derivative-rate-pid-controller\">What is a Proportional Plus Integral (Reset) Plus Derivative (Rate) (PID) Controller?<\/h3>\n\n\n\n<p>A. A controller combining P, I, and D actions<\/p>\n\n\n\n<p>B. A controller with no proportional action<\/p>\n\n\n\n<p>C. A controller with binary output<\/p>\n\n\n\n<p>D. A controller with constant output<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller combining P, I, and D actions<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 114<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-warm-up-period\">What is the Warm-Up Period?<\/h3>\n\n\n\n<p>A. The time required for system cooling<\/p>\n\n\n\n<p>B. The time required after energizing a device before rated performance<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The time required after energizing a device before rated performance<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 115<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-process-temperature\">What is Process Temperature?<\/h3>\n\n\n\n<p>A. The desired setpoint<\/p>\n\n\n\n<p>B. The internal temperature of a device<\/p>\n\n\n\n<p>C. The temperature of the process medium at the sensing element<\/p>\n\n\n\n<p>D. Noise in the system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The temperature of the process medium at the sensing element<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 116<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-high-limiting-control-action\">What is High Limiting Control Action?<\/h3>\n\n\n\n<p>A. Limiting to an average value<\/p>\n\n\n\n<p>B. Limiting to a maximum value<\/p>\n\n\n\n<p>C. No limitation control<\/p>\n\n\n\n<p>D. Limiting to a minimum value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Limiting to a maximum value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 117<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-control-system\">What is a Control System?<\/h3>\n\n\n\n<p>A. A system without setpoints<\/p>\n\n\n\n<p>B. A system for deliberate manipulation of variables<\/p>\n\n\n\n<p>C. A manual adjustment system<\/p>\n\n\n\n<p>D. A feedback-free system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A system for deliberate manipulation of variables<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 118<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-low-limiting-control-action\">What is Low Limiting Control Action?<\/h3>\n\n\n\n<p>A. Limiting to an average value<\/p>\n\n\n\n<p>B. Control predicting future values<\/p>\n\n\n\n<p>C. Limiting to a minimum value<\/p>\n\n\n\n<p>D. Control with no lower limit<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Limiting to a minimum value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 119<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-output-impedance\">What is Output Impedance?<\/h3>\n\n\n\n<p>A. Impedance presented by the output device<\/p>\n\n\n\n<p>B. Impedance of the source<\/p>\n\n\n\n<p>C. Impedance of the signal<\/p>\n\n\n\n<p>D. Impedance of the input device<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Impedance presented by the output device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 120<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-time-schedule-controller\">What is a Time Schedule Controller?<\/h3>\n\n\n\n<p>A. A controller with constant output<\/p>\n\n\n\n<p>B. A feedback-free controller<\/p>\n\n\n\n<p>C. A controller with binary output<\/p>\n\n\n\n<p>D. A controller adhering to a time schedule<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controller adhering to a time schedule<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 121<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-process\">What is a Process?<\/h3>\n\n\n\n<p>A. A manual adjustment system<\/p>\n\n\n\n<p>B. A feedback-free system<\/p>\n\n\n\n<p>C. The collective functions performed in the equipment<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The collective functions performed in the equipment<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 122<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-parameter\">What is a Parameter?<\/h3>\n\n\n\n<p>A. A fixed characteristic of a system<\/p>\n\n\n\n<p>B. A device&#8217;s internal setting<\/p>\n\n\n\n<p>C. A constant value<\/p>\n\n\n\n<p>D. A controllable or variable characteristic<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A controllable or variable characteristic<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 123<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-upper-range-limit\">What is Upper Range-Limit?<\/h3>\n\n\n\n<p>A. The midpoint of the range<\/p>\n\n\n\n<p>B. The desired setpoint<\/p>\n\n\n\n<p>C. The lowest quantity measurable<\/p>\n\n\n\n<p>D. The highest quantity measurable<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The highest quantity measurable<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 124<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-range\">What is Range?<\/h3>\n\n\n\n<p>A. The region between the limits of measurement<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The stability of the control system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The region between the limits of measurement<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 125<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-optimizing-control-action\">What is Optimizing Control Action?<\/h3>\n\n\n\n<p>A. Control with no specific goal<\/p>\n\n\n\n<p>B. Manual adjustment for best value<\/p>\n\n\n\n<p>C. Maintaining a fixed value<\/p>\n\n\n\n<p>D. Automatic seeking of the best value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Automatic seeking of the best value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 126<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-are-operating-conditions\">What are Operating Conditions?<\/h3>\n\n\n\n<p>A. Internal factors of a device<\/p>\n\n\n\n<p>B. The speed of response<\/p>\n\n\n\n<p>C. Conditions to which a device is subject<\/p>\n\n\n\n<p>D. The desired setpoint<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Conditions to which a device is subject<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 127<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-dynamic-gain\">What is Dynamic Gain?<\/h3>\n\n\n\n<p>A. Gain at zero frequency<\/p>\n\n\n\n<p>B. Gain without feedback<\/p>\n\n\n\n<p>C. Gain with constant input<\/p>\n\n\n\n<p>D. Gain for sinusoidal signals<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Gain for sinusoidal signals<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 128<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-input-impedance\">What is <a href=\"https:\/\/instrumentationtools.com\/how-to-configure-analog-inputs-and-outputs-in-delta-plc\/\" target=\"_blank\" rel=\"noreferrer noopener\">Input<\/a> Impedance?<\/h3>\n\n\n\n<p>A. Impedance of the signal<\/p>\n\n\n\n<p>B. Impedance of the output device<\/p>\n\n\n\n<p>C. Impedance presented to the source<\/p>\n\n\n\n<p>D. Impedance of the load<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Impedance presented to the source<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 129<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-direct-digital-control-action\">What is Direct Digital Control Action?<\/h3>\n\n\n\n<p>A. Analog control action<\/p>\n\n\n\n<p>B. Manual control action<\/p>\n\n\n\n<p>C. Control by a digital device<\/p>\n\n\n\n<p>D. Control by mechanical means<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control by a digital device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 130<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-zero-shift\">What is Zero Shift?<\/h3>\n\n\n\n<p>A. The stability of the control system<\/p>\n\n\n\n<p>B. A parallel shift of the input-output curve<\/p>\n\n\n\n<p>C. A constant zero value<\/p>\n\n\n\n<p>D. The shift of zero below the lower range value<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A parallel shift of the input-output curve<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 131<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-source-impedance\">What is Source Impedance?<\/h3>\n\n\n\n<p>A. Impedance of the output device<\/p>\n\n\n\n<p>B. Impedance of the signal<\/p>\n\n\n\n<p>C. Impedance presented to the input of a device<\/p>\n\n\n\n<p>D. Impedance presented to the load<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Impedance presented to the input of a device<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 132<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-element\">What is an Element?<\/h3>\n\n\n\n<p>A. A complete control system<\/p>\n\n\n\n<p>B. A manual control device<\/p>\n\n\n\n<p>C. A fixed-output device<\/p>\n\n\n\n<p>D. A component of a device or system<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A component of a device or system<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 133<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-control-action\">What is Control Action?<\/h3>\n\n\n\n<p>A. Changing system parameters<\/p>\n\n\n\n<p>B. Modifying system structure<\/p>\n\n\n\n<p>C. Recording system performance<\/p>\n\n\n\n<p>D. Adjusting output based on input<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Adjusting output based on input<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 134<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-proportional-band\">What is a Proportional Band?<\/h3>\n\n\n\n<p>A. The change in input required for a full range output change<\/p>\n\n\n\n<p>B. A fixed value range<\/p>\n\n\n\n<p>C. The stability of the control system<\/p>\n\n\n\n<p>D. The speed of response<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The change in input required for a full range output change<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 135<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-damping\">What is Damping?<\/h3>\n\n\n\n<p>A. Maintaining a fixed output<\/p>\n\n\n\n<p>B. Increasing system oscillation<\/p>\n\n\n\n<p>C. Suppression of oscillation<\/p>\n\n\n\n<p>D. Random control actions<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Suppression of oscillation<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 136<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-elevated-zero-range\">What is the Elevated-Zero Range?<\/h3>\n\n\n\n<p>A. A range with zero above the lower range-value<\/p>\n\n\n\n<p>B. A fixed value range<\/p>\n\n\n\n<p>C. A range with zero at the midpoint<\/p>\n\n\n\n<p>D. A range with zero at the lower limit<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A range with zero above the lower range-value<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 137<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-an-on-off-controller\">What is an <a href=\"https:\/\/instrumentationtools.com\/onoff-control-principle\/\" target=\"_blank\" rel=\"noreferrer noopener\">On-off Controller<\/a>?<\/h3>\n\n\n\n<p>A. A controller with continuous output<\/p>\n\n\n\n<p>B. A binary controller with fully on\/off states<\/p>\n\n\n\n<p>C. A controller with proportional output<\/p>\n\n\n\n<p>D. A feedback-free controller<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A binary controller with fully on\/off states<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 138<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-longitudinal-interference\">What is Longitudinal Interference?<\/h3>\n\n\n\n<p>A. Electrostatic field interference<\/p>\n\n\n\n<p>B. Interference from transverse fields<\/p>\n\n\n\n<p>C. Interference appearing between circuit terminals<\/p>\n\n\n\n<p>D. Interference appearing between terminals and ground<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Interference appearing between terminals and ground<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 139<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-feedback-control-action\">What is Feedback Control Action?<\/h3>\n\n\n\n<p>A. Control without monitoring<\/p>\n\n\n\n<p>B. Control based on output comparison<\/p>\n\n\n\n<p>C. Control by trial and error<\/p>\n\n\n\n<p>D. Control based on preset conditions<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Control based on output comparison<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 140<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-non-interacting-control-system\">What is a Non-Interacting Control System?<\/h3>\n\n\n\n<p>A. A system with manual controls<\/p>\n\n\n\n<p>B. A system avoiding disturbance to other variables<\/p>\n\n\n\n<p>C. A system with feedback<\/p>\n\n\n\n<p>D. A system without feedback<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>A system avoiding disturbance to other variables<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 141<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-ramp-response\">What is Ramp Response?<\/h3>\n\n\n\n<p>A. The behavior of output over time<\/p>\n\n\n\n<p>B. The total time response to a change in input rate<\/p>\n\n\n\n<p>C. The desired setpoint<\/p>\n\n\n\n<p>D. The response to a sudden input change<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>The total time response to a change in input rate<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 142<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-dead-band\">What is Dead Band?<\/h3>\n\n\n\n<p>A. Constant output range<\/p>\n\n\n\n<p>B. Minimum input range<\/p>\n\n\n\n<p>C. Range with no response<\/p>\n\n\n\n<p>D. Maximum output range<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Range with no response<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Question 143<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-a-sensing-element\">What is a Sensing Element?<\/h3>\n\n\n\n<p>A. Feedback element<\/p>\n\n\n\n<p>B. Final controlling device<\/p>\n\n\n\n<p>C. Intermediate control component<\/p>\n\n\n\n<p>D. Directly responsive to measured quantity<\/p>\n\n\n\n<details class=\"wp-block-details has-base-2-background-color has-background is-layout-flow wp-block-details-is-layout-flow\"><summary>Show the Answer<\/summary>\n<p>Directly responsive to measured quantity<\/p>\n<\/details>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Read Next:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/instrumentationtools.com\/top-200-electrical-engineers-objective-questions-and-answers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Electrical Engineers Objective Questions and Answers<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/instrumentationtools.com\/industrial-electronics-objective-questions-and-answers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Industrial Electronics Objective Questions and Answers<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/instrumentationtools.com\/top-250-digital-circuits-objective-questions-and-answers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Digital 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knowledge.<\/p>\n","protected":false},"author":1,"featured_media":63062,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","footnotes":""},"categories":[91320,761],"tags":[406,109824,109826,109825,10897,26523,3365,404],"class_list":{"0":"post-63061","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-instrumentation-mcq","8":"category-process-fundamentals","9":"tag-process-control","10":"tag-process-control-answers","11":"tag-process-control-concepts","12":"tag-process-control-definitions","13":"tag-process-control-glossary","14":"tag-process-control-questions","15":"tag-process-control-terminology","16":"tag-process-control-terms"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>143 Process Control Terms and Glossary - Questions 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