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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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111100 078 01 170 following is the cause of high head pressure?
(ಯ) Air is the system (B) 0il is the evaporator
(0) Shortage of refrigerant (D) Moisture is the system
Which one of the following is not a refrigerant control device?
(A) Thermostatic expansion valve (B) Capillary tube
(C) Thermostat switch (D) Low slide float value
In a reciprocating compressor suction and discharge reeds are made of :
(ക) Carbon steel (8) Stainless steel
(C) Castiron (D) Spring steel
Name the type of compressor used in domestic refrigerator :
(8) Screw compressor (B) Sealed type scroll
(£) Sealed type rotary (D) Sealed type reciprocating
Liquid refrigerant collects in the lower coil of the condenser and flows through :
(4) Evaporator coil (B) Compressor suction
(©) Heat exchanger (D) Capillary tube
Water inlet flow of the water cooler is controlled by :
(ல Expansion valve (8) 8010016 ೪೩1%
(0) Float valve (D) Pressure regulating valve
Thermostatic expansion valve function with :
(ക) மண்ண pressure (B) Discharge pressure
(C) Suction temperature (D) Discharge temperature
Excessive frost collection inside the deep freezer is :
(ಯ) Lower freezer temperature (B) Spoil the food content
(€) Acts as an insulation (D) Gives maximum cooling
Reagon for Thermostat not cutout is :
(A) Thermostat contacts welded (B) Low voltage
(C) Storage tank is empty (D) Float valve stuck in close position
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