Process Control Quiz

What is the primary need for process control and automation?

• To increase manual labor

• To enhance efficiency and accuracy

• To eliminate all human intervention

• To reduce costs

Which of the following is a characteristic of a first order system?

• Constant output

• Exponential response

• Oscillatory behavior

• Immediate response

What type of control is characterized by a feedback loop?

• Closed-loop control

• Feedforward control

• Manual control

• Open-loop control

Which of the following is an example of a second order system?

• Mixing process

• Damped vibrators

• Mercury thermometer

• Liquid level control

What does the term 'overshoot' refer to in control systems?

• The maximum value exceeded by the response

• The time taken to stabilize

• The initial response time

• The steady-state error

In a control system, what does a block diagram represent?

• The historical performance data

• The physical layout of components

• The flow of information and control signals

• The cost analysis of the system

What is the purpose of a controller in a control system?

• To eliminate disturbances

• To measure the output

• To provide feedback

• To adjust the input based on the output

Which of the following is NOT a type of controller?

• Proportional controller

• Integral controller

• Derivative controller

• Feedback controller

What is the main function of a final control element?

• To stabilize the system

• To execute the control action

• To measure the process variable

• To provide feedback to the controller

What does the term 'decay ratio' indicate in a second order system?

• The overall system gain

• The rate of change of input

• The ratio of successive peaks in the response

• The time taken to reach steady state