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 'Refrigeration Mechanic UIP' And exam conducted in the year 2023. And Question paper code was '018/2023/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.
A:-Sling psychrometer
B:-Aspiring psychrometer
C:-Wall mounted psychrometer
D:-Laboratory psychrometer
Correct Answer:- Option-B
Question79:-Dehumidification of air can be done only if the temperature of cooling
coil is
A:-Below the dry bulb temperature of air
B:-Above the dry bulb temperature of air
C:-Below the dew point temperature of air
D:-Between the dry bulb and wet bulb temperature of air
Correct Answer:- Option-C
Question80:-GI sheets used for making ducts, are made resistant to rust by coating
with
A:-Zinc
B:-Copper
C:-Aluminium
D:-Tin
Correct Answer:- Option-A
Question81:-The efficiency of HEPA filter is
A:-90%
B:-95%
C:-99.97%
D:-92%
Correct Answer:- Option-C
Question82:-In automobile A/C systems the pistons are operated by
A:-Crank shaft
B:-Connecting Rod
C:-Wobble plate
D:-Electric motor
Correct Answer:- Option-C
Question83:-Defrosting cycle is carried out in
A:-Car Air conditioning systems
B:-Package Air conditioning systems
C:-Split Air conditioning systems
D:-Walk in coolers