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 'JUNIOR INSTRUCTOR MECHANIC REFRIGERATION AND AIR CONDITIONING INDUSTRIAL TRAINING' And exam conducted in the year 2018. And Question paper code was '067/2018'. 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 a scroll compressor :
(മ) Both discharge and suction ports are located in the outer periphery
(B) Both discharge and suction ports are located near the center
(ಲ) The discharge port is in the center and suction port is on the outer periphery
(D) The suction port is in the center and the discharge port is on the outer
periphery
Piercing valves are used to tap a line for :
(മ) Recovery (B) Testing (ಲ) Charging (D) All of these
Window and split air conditioning units are used compressor motors.
മു ھی © RSIR
(D) Shaded pole هی مم
Air flow quantities are measured 17 ؛
(ಹ) FPM ൫ 1 (೦ छाए کی رم
Screwdrivers are classified according to :
(ಹ) Length (B) Size of working tip
(C) Shape of working tip (D) معطا له للخ
Compressor crank shaft seal prevents from escaping out.
(ಯ) Air (B) Oil and Refrigerant
(ಲ) Refrigerant യ لاہ
In a refrigeration cycle the heat is rejected by refrigerant at :
(ಹ) Compressor (8) Evaporator (ಲ) Expansion valve (D) Condenser
For brazing most commonly used flux is :
(ಹ) Borax (8) Resin
(C) NHU4 (D) Carbonate chloride
067/2018 10
