Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Refrigeration Mechanic - Apex Societies of Co-operative Sector in Kerala/ MATSYAFED ' And exam conducted in the year 2022. And Question paper code was '039/2022'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
26.
27.
28.
29.
80.
31.
92.
33.
An ozone friendly refrigerant is :
(A) Hydro fluorocarbon (8)
(೮) Chloro fluorocarbon (D)
G.W.P means :
(A) Global warming protection (8)
(0) Global warming potential (D)
Which is saturated carbon compound?
(^) Sulphur dioxide (8)
(C) Methane (D)
Chlorine
Freon
Gauge with pressure
All of the above
Ethane
Propelene
It is the process of replacing of a refrigerant from the system with another refrigerant :
(A)
(0)
Retrofitting (8)
Evacuation (D)
Ina psycrometric chart the horizontal line indicates :
(A)
(0)
Dry bulb temperature (8)
Wet bulb temperature (D)
A clamp meter is used to detect :
(A)
(0)
Current (8)
Resistance
Hygrometer is used to measure :
(4) Air velocity (B)
(C) (D)
Humidity
Dew point depression is :
Gas charging
Leak testing
Humidity
None of these
Voltage
All of these
Heat
Enthalpy
(A) Difference between dry bulb temperature and dew point temperature
(B) Difference between wet bulb temperature and dew point temperature
(C) Difference between dry bulb temperature and wet bulb temperature
(D) Difference between humidity and enthalpy
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