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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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In HVAC, “V” represents :
(^) Variable refrigerant (B) Volumetric efficiency
(C) Volume of refrigerant (D) Ventilation
Timer and heating coil is used with :
(A) Conventional type refrigerator (2) 1081 free refrigerator
(C) Water cooler (D) Deep freezer
‘TON’ of refrigeration is based on :
(A) Ampere (B) Voltage based on
(C) Litre (D) Melting of 2000 pounds of ice
The term drift related with cooling tower means :
(A) Temperature of incoming water
(B) Temperature of out going water
(C) Temperature difference between incoming water and out going water
(D) Loss of water
One of the advantages of heat exchanger in conventional type refrigerator is :
(^) prevent wet compression
(B) increase the flow of refrigerant to the compressor
(C) prevent sub cooling
(D) prevent super heating
Hydrocarbon gas charging should be done :
(^) Level (B) Volume
(C) Pressure (D) Weight
The weight of refrigerant for a cylinder can be calculated by the following correct formula is :
(A) M=Axd (B) M=Vxd
(0) M=dxA 0) M=Vxa
When moisture is present in refrigerant, it can lead to the formation of :
(A) Hydrochloric acid (B) Carbon dioxide
(C) Hydrogen (D) Peroxide
039/2022 8 A