Kerala PSC Previous Years Question Paper & Answer
Page:17
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.
Question87:-In HART protocol standard to super impose the digital
communication.
A:-Bell 202 FSK
B:-PWM
C:-PCM
D:-None
Correct Answer:- Option-A
Question88:-HART stands for
A:-High way Addressable Remote Transmitter
B:-High way Addressable Remote Transducer
C:-High way Addressable Remote Transformer
D:-High way Addressing Remote Transducer
Correct Answer:- Option-B
Question89:- is an input device of PLC.
A:-Relay
B:-Lights
C:-Pushbutton
D:-Motor
Correct Answer:- Option-C
Question90:-In ladder logic, the given symbol is used to indicate
UU
A:-Fuse
B:-Heating element
C:-Relay Coil
D:-Flow switch
Correct Answer:- Option-B
Question91:- cable has greater transmission capacity.
A:-Twisted pair
B:-Co-axial cable
C:-Fiber optic
D:-Both (1) and (2)
Correct Answer:- Option-C
Question92:-LAN is useful for small distance communication
A:-Upto 2 kms
B:-Upto 5 kms