PID Controller - MCQs with answers

PID Controller - MCQs with answers

1. What is the relationship between the steady-state error, gain and the tendency of oscillations when the controller is supposed to be under the proportional action?

a. Steady-state error increases with an increase in gain and oscillation tendency

b. Steady-state error decreases with the decrease in gain and oscillation tendency

c. Steady-state error decreases with an increase in gain and oscillation tendency

d. Steady-state error increases with the decrease in gain and oscillation tendency

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2. The quarter-amplitude decay ratio is basically a design criteria specified by Zeigler-Nichols method implies that the amplitude of an oscillation must be reduced by a factor of __________

a. four over a whole period
b. four over an half period
c. four over a quarter period
d. four over a quarter and a half period

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3. Which phenomenon occurs due to coincidence of two output signals generated manually as well as by control algorithm at the time of switching in manual mode ?

a. Bumped Data Transfer
b. Bumpless Transfer
c. Coincidence Data Transfer
d. None of the above

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