Kerala PSC Previous Years Question Paper & Answer
Page:5
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.
C:-Sling Psychrometer
D:-Micron gauge
Correct Answer:- Option-C
Question23:-How much degree angle is cut out on the face of each hole in a flare
block ?
A:-45°
B:-55°
C:-65°
D:-120°
Correct Answer:- Option-A
Question24:-One calorie, is the amount of heat required to raise the temperature of
1 gram of water through
A:-1°F
B:-5°C
C:-4°C
D:-1°C
Correct Answer:- Option-D
Question25:-The pressure of a gas, which just sufficient to liquefy the gas below its
critical temperature is
A:-Vacuum pressure
B:-Discharge pressure
C:-Critical pressure
D:-Absolute pressure
Correct Answer:- Option-C
Question26:-Sub cooling is the process of reducing the temperature of liquid
A:-Refrigerant leaving the evaporator
B:-Refrigerant leaving the compressor at Super heated state
C:-Refrigerant leaving the expansion valve
D:-Refrigerant below its saturation temperature
Correct Answer:- Option-D
Question27:-Super heating is
A:-Cooling of vapour below it's condensing point
B:-Heating of vapour above its boiling point
C:-Heating of liquid up to the boiling point
D:-Heat required to change the state
Correct Answer:- Option-B
Question28:-Which law of thermodynamics states that at constant volume, the