Kerala PSC Previous Years Question Paper & Answer
Page:15
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.
C:-K
D:-T
Correct Answer:- Option-C
Question76:-Optical pyrometer measures the temperature range in between
A:-600° to 3000°C
B:-400°C to 3000°C
C:-600°C to 4000°C
D:-600° to 3500°C
Correct Answer:- Option-A
Question77:-Thermistors are
A:-Conductors
B:-Semi conductors
C:-Insulators
D:-Special type resistors
Correct Answer:- Option-B
Question78:- valves are not suitable for throttling volume.
A:-Butterfly
B:-Globe
C:-Cage
D:-Gate
Correct Answer:- Option-D
Question79:-In a increase in the pneumatic pressure applied to the
diaphragm lifts the valve stem.
A:-Direct acting actuator
B:-Reverse acting Actuator
C:-Both (1) and (2)
D:-None
Correct Answer:- Option-B
Question80:- switch is one detecting the closeness of some object.
A:-IR
B:-Micro
C:-Proximity
D:-Limit
Correct Answer:- Option-C
Question81:-The standard electrical signal in intrumentation
A:-6-20 mA