By using this site, you agree to the Privacy Policy and Terms of Use.
Accept
Automation CommunityAutomation Community
  • PLC
  • Automation
  • Instrumentation
  • Calibration
  • Electrical
  • Courses
    • Siemens PLC Course
    • Allen Bradley PLC Course
    • InTouch SCADA Course
    • WinCC SCADA Course
    • Siemens Tia Portal
    • Omron PLC Course
    • Advanced PLC Course
Search
  • Customize Interests
  • My Bookmarks
© Automation Community. All Rights Reserved.
Reading: Top Process Control Multiple Choice Questions and Answers (MCQ)
Share
Notification Show More
Font ResizerAa
Automation CommunityAutomation Community
Font ResizerAa
  • PLC
  • Automation
  • Instrumentation
Search
  • PLC
  • Automation
  • Instrumentation
  • Calibration
  • Electrical
  • Courses
    • Siemens PLC Course
    • Allen Bradley PLC Course
    • InTouch SCADA Course
    • WinCC SCADA Course
    • Siemens Tia Portal
    • Omron PLC Course
    • Advanced PLC Course
Follow US
© 2023. All Rights Reserved.
Automation Community > Blog > Instrumentation > Top Process Control Multiple Choice Questions and Answers (MCQ)
Instrumentation

Top Process Control Multiple Choice Questions and Answers (MCQ)

Editorial Staff
Last updated: 2023/05/01 at 7:26 AM
Editorial Staff
Share
19 Min Read
SHARE

Hey there, folks! Are you preparing for a process control test and looking for some multiple-choice questions and answers to get a handle on the material? Well, you’re in luck! In this article, we have compiled the top 25 process control multiple-choice questions and answers (MCQ) to help you ace your test.

Contents
Top Process Control Multiple Choice QuestionsWhat is the purpose of process control?What is a control system?What is feedback control?What is feedforward control?What is a process variable?What is a setpoint?What is a controller?What is a proportional controller?What is an integral controller?What is a derivative controller?What is the purpose of a control loop?What is the difference between open-loop control and closed-loop control?What is a cascade control system?What is a split-range control system?What is a safety instrumented system?What is a deadband?What is a tuning parameter?What is the purpose of a process simulator?What is an actuator?What is a feedback controller?What is a proportional-integral-derivative (PID) controller?What is a process control block?What is the purpose of a process control system?What is the difference between a set point and a process variable?What is a control valve?What is a distributed control system?What is a supervisory control and data acquisition (SCADA) system?What is a feedback control system?What is the purpose of a three-element control system?What is a set point?What is the difference between a primary and a secondary control element?What is a process disturbance?What is the difference between feedback and feedforward control?What is the difference between manual and automatic control?What is the difference between on-off and modulating control?What is the difference between a pneumatic and an electronic control system?What is the purpose of a process control chart?

Top Process Control Multiple Choice Questions

Top Process Control Multiple Choice Questions and Answers

What is the purpose of process control?

a. To maintain a consistent quality of a product or process
b. To maximize profits for the company
c. To minimize the amount of raw materials used
d. To increase production speed

Answer: a.

The purpose of process control is to maintain a consistent quality of a product or process.

What is a control system?

a. A system that manages a company’s finances
b. A system that manages a company’s employees
c. A system that manages a process or product
d. A system that manages a company’s marketing

Answer: c.

A control system is a system that manages a process or product.

What is feedback control?

a. A control system that operates without input
b. A control system that uses sensors to adjust the process
c. A control system that uses predetermined settings to adjust the process
d. A control system that is used in manual processes

Answer: b. Feedback control is a control system that uses sensors to adjust the process.

What is feedforward control?

a. A control system that operates without input
b. A control system that uses sensors to adjust the process
c. A control system that uses predetermined settings to adjust the process
d. A control system that anticipates changes in the process and adjusts accordingly

Answer: d.

Feedforward control is a control system that anticipates changes in the process and adjusts accordingly.

What is a process variable?

a. A variable that changes during a process
b. A variable that remains constant during a process
c. A variable that is used to calculate profits
d. A variable that is used to calculate employee performance

Answer: a.

A process variable is a variable that changes during a process.

What is a setpoint?

a. The desired value for a process variable
b. The maximum value for a process variable
c. The minimum value for a process variable
d. The average value for a process variable

Answer: a.

A setpoint is the desired value for a process variable.

What is a controller?

a. A person who manages a process or product
b. A device that manages a process or product
c. A software program that manages a process or product
d. A sensor that measures a process variable

Answer: b.

A controller is a device that manages a process or product.

What is a proportional controller?

a. A controller that adjusts the process in proportion to the error
b. A controller that adjusts the process based on a predetermined setting
c. A controller that adjusts the process based on the time of day
d. A controller that adjusts the process based on employee performance

Answer: a.

A proportional controller is a controller that adjusts the process in proportion to the error.

What is an integral controller?

a. A controller that adjusts the process based on a predetermined setting
b. A controller that adjusts the process in proportion to the error
c. A controller that adjusts the process based on the time of day
d. A controller that adjusts the process based on employee performance

Answer: b.

An integral controller is a controller that adjusts the process in proportion to the error over time.

What is a derivative controller?

a. A controller that adjusts the process based on a predetermined setting
b. A controller that adjusts the process in proportion to the error
c. A controller that adjusts the process based on the time rate of change of the error
d. A controller that adjusts the process based on employee performance

Answer: c.

A derivative controller is a controller that adjusts the process based on the time rate of change of the error.

What is the purpose of a control loop?

a. To measure the process variable
b. To adjust the process variable
c. To monitor the process variable
d. To maintain a constant process variable

Answer: b.

The purpose of a control loop is to adjust the process variable.

What is the difference between open-loop control and closed-loop control?

a. Open-loop control does not use a controller, while closed-loop control does
b. Open-loop control does not use sensors, while closed-loop control does
c. Open-loop control does not adjust the process, while closed-loop control does
d. Open-loop control is less accurate than closed-loop control

Answer: a.

The difference between open-loop control and closed-loop control is that open-loop control does not use a controller, while closed-loop control does.

What is a cascade control system?

a. A control system that uses multiple controllers to manage the process
b. A control system that uses a single controller to manage the process
c. A control system that operates without input
d. A control system that uses predetermined settings to adjust the process

Answer: a.

A cascade control system is a control system that uses multiple controllers to manage the process.

What is a split-range control system?

a. A control system that uses multiple sensors to measure the process variable
b. A control system that uses a single controller to manage multiple processes
c. A control system that uses multiple controllers to manage the process
d. A control system that uses a single controller to manage multiple variables

Answer: d.

A split-range control system is a control system that uses a single controller to manage multiple variables.

What is a safety instrumented system?

a. A system that prevents accidents and injuries
b. A system that monitors employee performance
c. A system that manages a company’s finances
d. A system that manages a process or product

Answer: a.

A safety instrumented system is a system that prevents accidents and injuries.

What is a deadband?

a. A range of values in which the process variable can fluctuate without triggering an adjustment
b. A range of values in which the process variable must remain
c. A range of values in which the controller must remain
d. A range of values in which the setpoint can fluctuate without triggering an adjustment

Answer: a.

A deadband is a range of values in which the process variable can fluctuate without triggering an adjustment.

What is a tuning parameter?

a. A parameter that determines the accuracy of a controller
b. A parameter that determines the speed of a controller
c. A parameter that determines the cost of a controller
d. A parameter that determines the size of a controller

Answer: a.

A tuning parameter is a parameter that determines the accuracy of a controller.

What is the purpose of a process simulator?

a. To test and optimize control strategies
b. To measure the process variable
c. To adjust the process variable
d. To monitor the process variable

Answer: a.

The purpose of a process simulator is to test and optimize control strategies.

What is an actuator?

a. A device that measures the process variable
b. A device that adjusts the process variable
c. A device that monitors the process variable
d. A device that maintains a constant process variable

Answer: b.

An actuator is a device that adjusts the process variable.

What is a feedback controller?

a. A controller that adjusts the process based on employee feedback
b. A controller that adjusts the process based on external feedback
c. A controller that adjusts the process based on internal feedback
d. A controller that does not use feedback

Answer: c.

A feedback controller is a controller that adjusts the process based on internal feedback.

What is a proportional-integral-derivative (PID) controller?

a. A controller that adjusts the process based on a combination of proportional, integral, and derivative control actions
b. A controller that adjusts the process based on the proportion of input to output
c. A controller that adjusts the process based on employee performance
d. A controller that adjusts the process based on the time rate of change of the error

Answer: a.

A proportional-integral-derivative (PID) controller is a controller that adjusts the process based on a combination of proportional, integral, and derivative control actions.

What is a process control block?

a. A data structure that contains information about a process
b. A control strategy that uses external feedback to adjust the process
c. A control strategy that adjusts the process based on the time rate of change of the error
d. A control strategy that adjusts the process based on employee performance

Answer: a. A process control block is a data structure that contains information about a process.

What is the purpose of a process control system?

a. To measure the process variable
b. To adjust the process variable
c. To monitor the process variable
d. To maintain a constant process variable

Answer: b.

The purpose of a process control system is to adjust the process variable.

What is the difference between a set point and a process variable?

a. The set point is the target value, while the process variable is the measured value.
b. The set point is the measured value, while the process variable is the target value.
c. The set point and the process variable are the same thing.
d. The set point and the process variable are unrelated.

Answer: a.

The set point is the target value, while the process variable is the measured value.

What is a control valve?

a. A valve that controls the flow of fluids or gases in a process
b. A valve that measures the pressure of fluids or gases in a process
c. A valve that measures the temperature of fluids or gases in a process
d. A valve that measures the level of fluids or gases in a process

Answer: a.

A control valve is a valve that controls the flow of fluids or gases in a process.

What is a distributed control system?

a. A control system that uses a central processor to control a process
b. A control system that uses multiple processors to control a process
c. A control system that uses feedback from multiple sensors to control a process
d. A control system that does not use feedback

Answer: b.

A distributed control system is a control system that uses multiple processors to control a process.

What is a supervisory control and data acquisition (SCADA) system?

a. A system that collects and analyzes data from a process
b. A system that controls a process from a remote location
c. A system that monitors the performance of a process
d. A system that optimizes the operation of a process

Answer: b.

A supervisory control and data acquisition (SCADA) system is a system that controls a process from a remote location

What is a feedback control system?

a. A control system that uses multiple control loops to control a process
b. A control system that uses a single control loop to control multiple processes
c. A control system that uses feedback from multiple sensors to control a process
d. A control system that does not use feedback

Answer: c.

A feedback control system is a control system that uses feedback from multiple sensors to control a process.

What is the purpose of a three-element control system?

a. To control the flow rate, pressure, and temperature of a process
b. To control the flow rate, level, and pressure of a process
c. To control the level, pressure, and temperature of a process
d. To control the flow rate, level, and temperature of a process

Answer: b.

The purpose of a three-element control system is to control the flow rate, level, and pressure of a process.

What is a set point?

a. The maximum value a process variable can reach
b. The minimum value a process variable can reach
c. The desired value of a process variable
d. The actual value of a process variable

Answer: c.

A set point is the desired value of a process variable.

What is the difference between a primary and a secondary control element?

a. Primary control elements manipulate process variables directly, while secondary control elements manipulate primary control elements
b. Primary control elements are used for open-loop control, while secondary control elements are used for closed-loop control
c. Primary control elements use feedback, while secondary control elements do not
d. There is no difference between a primary and a secondary control element

Answer: a.

Primary control elements manipulate process variables directly, while secondary control elements manipulate primary control elements.

What is a process disturbance?

a. An unexpected change in a process variable
b. A planned change in a process variable
c. The difference between the set point and the measured value
d. The actual value of a process variable

Answer: a.

A process disturbance is an unexpected change in a process variable.

What is the difference between feedback and feedforward control?

a. Feedback control uses a model of the process, while feedforward control uses feedback from sensors
b. Feedback control is used for open-loop control, while feedforward control is used for closed-loop control
c. Feedback control uses feedback from sensors, while feedforward control predicts the effect of a disturbance and takes action to prevent it
d. There is no difference between feedback and feedforward control

Answer: c.

Feedback control uses feedback from sensors, while feedforward control predicts the effect of a disturbance and takes action to prevent it.

What is the difference between manual and automatic control?

a. Manual control uses a computer to control a process, while automatic control uses human intervention
b. Manual control uses feedback from sensors, while automatic control uses open-loop control
c. Manual control requires human intervention, while automatic control does not
d. There is no difference between manual and automatic control

Answer: c.

Manual control requires human intervention, while automatic control does not.

What is the difference between on-off and modulating control?

a. On-off control is used for open-loop control, while modulating control is used for closed-loop control
b. On-off control uses feedback from sensors, while modulating control does not
c. On-off control switches a device on or off, while modulating control adjusts the output continuously
d. There is no difference between on-off and modulating control

Answer: c.

On-off control switches a device on or off, while modulating control adjusts the output continuously.

What is the difference between a pneumatic and an electronic control system?

a. Pneumatic control systems use air pressure to control devices, while electronic control systems use electricity
b. Pneumatic control systems are more accurate than electronic control systems
c. Pneumatic control systems are more reliable than electronic control systems
d. There is no difference between a pneumatic and an electronic control system

Answer: a.

Pneumatic control systems use air pressure to control devices, while electronic control systems use electricity.

What is the purpose of a process control chart?

a. To measure the accuracy of a control system
b. To display the performance of a control system over time
c. To measure the process variables of a control system
d. To calculate the gain of a control system

Answer: b.

The purpose of a process control chart is to display the performance of a control system over time.

Read Next:

  • Pneumatic Press Machine
  • Machine Monitoring System
  • Solenoid Valve Functional Test
  • What is PCS 7? – Siemens DCS
  • HMI VFD Modbus Communication

You Might Also Like

Non-contact Pyrometer Questions and Answers

HART-IP: HART Communication over Internet Protocol

Instrumentation Insights: Exploring Safety Integrity Level (SIL)

Temperature Transmitter Questions and Answers

Safety PLC Interview Questions and Answers

TAGGED: Instrumentation, Instrumentation Questions, Process Control, Process Control Questions, Process Control Test

Sign Up For Daily Newsletter

Be keep up! Get the latest breaking news delivered straight to your inbox.
[mc4wp_form]
By signing up, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time.
Share This Article
Facebook Twitter Whatsapp Whatsapp LinkedIn
Share
Previous Article Modbus Communication between Mitsubishi HMI and Delta VFD Modbus Communication between Mitsubishi HMI and Delta VFD
Next Article Simatic S7-400 Siemens PLC What is PCS 7? – Siemens Distributed Control System
Leave a comment Leave a comment

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Stay Connected

120.5k Followers Like
10.1k Followers Follow
90.6k Subscribers Subscribe

Latest Articles

SNMP_question_and_answers
SNMP Questions and Answers
Automation August 25, 2023
Zigbee_question_and_answers
Zigbee Questions and Answers
Automation August 24, 2023
Z-Wave Questions and Answers
Z-wave Questions and Answers
Automation August 23, 2023
konnex_questions_and_answers
KNX (Konnex) Questions and Answers
Automation August 22, 2023
Advantages and Disadvantages of DCS
Automation

Advantages and Disadvantages of DCS

In this article, you will learn the advantages and disadvantages of DCS…

Editorial Staff By Editorial Staff January 12, 2023
VFD Multiple Choice Questions
AutomationPLC

VFD Multiple Choice Questions – Variable Frequency Drives

Learn the top VFD multiple choice questions and answers with explanations on…

Editorial Staff By Editorial Staff January 27, 2023
PLC Programming
PLCElectricalInstrumentation

PLC Programming Questions and Answers

These PLC programming questions and answers useful to challenge your knowledge and…

Editorial Staff By Editorial Staff July 2, 2023
Difference Between Fuse and Relay
PLC

Difference Between Fuse and Relay

A fuse protects the electrical devices and a relay is an electrical…

Editorial Staff By Editorial Staff January 16, 2023
HART Protocol Objective Questions and Answers
Instrumentation

HART Protocol Objective Questions and Answers

We present a series of HART Protocol objective questions and answers which…

Vivek By Vivek May 6, 2023
How to do Calibration of Temperature Switch
CalibrationInstrumentation

How to do Calibration of Temperature Switch? – Detailed Procedure

In this article, you will learn how to do calibration of temperature…

R Jagan Mohan Rao By R Jagan Mohan Rao August 28, 2022
Show More
//

We provide resoucres to million users and we are the number one business and industrial automation news network on the planet

Quick Link

  • Customize Interests
  • My Bookmarks

Top Categories

  • PLC
  • Automation
  • Instrumentation

Sign Up for Our Newsletter

Subscribe to our newsletter to get our newest articles instantly!

[mc4wp_form id=”847″]

Follow US
© 2023 All Rights Reserved. Supported by Inst Tools.
login
Welcome Back!

Sign in to your account

Lost your password?