Electrical EngineeringProgrammable Logic Controller Lab →List Of Experiments

Study of PID controller instruction for a pilot plant

1. What will be the result if the proportional gain is set too high?
a) Stable loop
b) Minimun offset
c) Large offset

2) ………………… action eliminates offset
a) Integral or Reset
b) Derivative or Rate
c) Proportional

3) Major limitation of integral action is .....
a) Unstable loop
b) Increased response time
c) Both Unstable loop and Increased response time

4) Reset wind up is observed in .... control action
a) Proportional + Derivative
b) Proportional + Integral
c) Proportional

5) ......... action is not preferred when noise is present on the process that is to be controlled
a) Derivative
b) Integral
c) Proportional