Kerala PSC Previous Years Question Paper & Answer
Page:16
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Instrument Mechanic' And exam conducted in the year 2023. And Question paper code was '158/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
B:-5-10 V
C:-4-20 mA
D:-0-20 mA
Correct Answer:- Option-C
Question82:- is to correct the error between the controlled output and its
desired value corresponding to the reference value.
A:-Feed forward control
B:-Feed back control
C:-Open loop control
D:-Cascade control
Correct Answer:- Option-B
Question83:-In control system use's a secondary controller.
A:-Open
B:-Closed loop
C:-Ratio
D:-Cascade
Correct Answer:- Option-D
Question84:-Offset in the proportional controller can be eliminated by using along
with
A:-Derivative control action
B:-Integral Control action
C:-Both (1) and (2)
D:-None
Correct Answer:- Option-B
Question85:- control system is typically used in the Industrial
applications.
A:-Cascade
B:-Feed forward
C:-Ratio
D:-Feed back
Correct Answer:- Option-C
Question86:-Programmable logic controllers performs the functions
A:-Discrete or continuous control functions
B:-Producing ON-OFF voltage outputs
C:-Actuating elements such as electric motors, solenoids etc
D:-All of the above
Correct Answer:- Option-D