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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TECHNICIAN GR II REFRIGERATION MECHANIC KCMMF LTD' And exam conducted in the year 2015. And Question paper code was '212/2015'. 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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An object with a difference of potential exists between it and earth is called :
(മ) Live (B) Dead
(©) Earth electrode (D) Resistance Area
The reason for thermostat become defective is :
(A) Mbisture in the system (3) Lack of lubrication വി
(¢) Carbon formation in contact points (0) OLP is not responding
In Freon group condenser tubes are :
(4) Aluminium (B) Brass
© ऽन्य (D) Copper
The cooling capacity of 1 ton of refrigeration is :
(4) 5,000 BTU/hr (B) 12,000 BTU/hr
(೧) 18,000 BTU/hr (D) 2,44,000 BTU/hr
The instrument used for finding the leakage of Freon and Methyl chloride is :
(A) Thermostat (B) Halide torch
(©) Pasychrometer (D) Hydrometer
In the following which one is not a part of an oil pressure safety control?
(A) Bimetal strip (8) Contact __Jpom’ta
(0). Reset button (2) Feeler bulb
In a Fin & Tube type Air cooled condenser Fins are provided for :
(&) Protect the tube from damage (B) Strengthen the tube
)© Increasing the heat transaction rate (D) Giving a good shape
Expansion valve is located :
(ಗ) Before the evaporator (8) Before the drier
€) After the evaporator (D) Before the condensor
What is the expansion of LED?
(ಗ) Light emitting device (8) Light emitting diode
(C) Light ejecting device (D} Al of the above
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