# Tuning of PID Controllers MCQ’s

This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Tuning of PID Controllers”.

1. Phase lag controller:

a) Improvement in transient response

b) Reduction in steady state error

c) Reduction is settling time

d) Increase in damping constant

2. Addition of zero at origin:

a) Improvement in transient response

b) Reduction in steady state error

c) Reduction is settling time

d) Increase in damping constant

3. The input of a controller is

a) Sensed signal

b) Error signal

c) Desired variable value

d) Signal of fixed amplitude not dependent on desired variable value

4. Derivative output compensation:

a) Improvement in transient response

b) Reduction in steady state error

c) Reduction is settling time

d) Increase in damping constant

5. Lag compensation leads to:

a) Increases bandwidth

b) Attenuation

c) Increases damping factor

d) Second order

6. Lag-lead compensation is a:

a) Increases bandwidth

b) Attenuation

c) Increases damping factor

d) Second order

7. Derivative error compensation:

a) Improvement in transient response

b) Reduction in steady state error

c) Reduction is settling time

d) Increase in damping constant

8. Lead compensation leads to:

a) Increases bandwidth

b) Attenuation

c) Increases damping factor

d) Second order

9. Rate compensation :

a) Increases bandwidth

b) Attenuation

c) Increases damping factor

d) Second order

10. Negative exponential term in the equation of the transfer function causes the transportation lag.

a) True

b) False