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.
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Which refrigerant is suitable for domestic refrigerator?
R-22
Ammonia
Condensor
Evaporator
Relay
Thermostat switch
Painting brush
Soap solution
BSIR
(A) R-12 (B)
(C) HC blend (D)
The Liquid refrigerant is purified filter drier and enters to the :
(A) Compressor (8)
(C) Capillary tube (D)
The defrost refrigerator is an electric heater attached to the evaporator controlled by :
(^) Timer switch (8)
(C) Overload protector (D)
The condenser fins of refrigerator should be cleaned by:
(^) Fin comb (8)
(0) Diluted acid ())
Which type of compressor motor is used in inverter refrigerator?
(A) RSIR (8)
(0) BLSR (2)
BLDC
In refrigerator compressor keeps the working continuously, what is the reason of its defect :
(A) Timer motor (8)
(0) Thermostat switch (D)
The capacity of water cooler is expressed in :
(A) _ liters (B)
(C) Cubic feet (D)
Overload protector
Door switch
Kcal/TR
Ton of refrigeration
Recently which type of insulation material is used in water cooler :
(^) Cork (8)
(0) Thermocol ൬)
Which of the following insulating material does not
Environment?
(^) Glass (8)
(0) Lead (0)
Poly urethene form
PVC
absorb moisture in air due to the
Fibre glass
Saw dust
039/2022
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