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 '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.
80, Evaporative condensers cooling medium is :
(A) Combination of air and water (B) * Refrigerant vapour
(C) Natural Air (D) Chilled water
81, The effect of cooling produced by a good installed unit will be :
(ಯ) Maximum (B) Minimum
(0 Intermittent (D) Poor
52. In arefrigeration system frosting starts from capillary due to ;
(A) 0il in evaporator coil (8) Compressor has poor pumping
(0) Gas quantity is less (D) Drier filter partially blocked
53. Starting capacitor is employed to increase :
(ക Life of winding (8) Motor torque and power factor
(C) Running performance (D) Life of motor
84. HFC should not vent to atmosphere because :
(ಯ) Itis flammable in atmospheric temperature
(B) It has high G.W.P
(C) It is highly toxic
(D) It is very costly
நத, The valve lifting capacity control lifts the :
(ക) Solenoid valve (B) Service valve
(C) Suction valve (D) Piston
56. At which point the °C scale and °F scale will be same
ക 405 ೫ 60
(¢) -—40° (2) 05
57, The chemical formula of R12 is :
(4) 06 ര டி
(© (ष्ठा (D) 05೮೩೯
A 9 212/2015
[7.7.0.]
