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 'REFRIGERATION MECHANIC UIP HEALTH SERVICES' And exam conducted in the year 2016. And Question paper code was '066/2016'. 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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Stabilizer used for 1.0 TR AC is :
(ھ) 12 ∎ (ए) 3KVA
യ 4KVA D) 5KVA
Select the period of interval for a defrost cycle in a frost free refrigerator :
(ಹ) once in 12 hours (B) once in 24 hours
(C) once in 36 hours ∙ (D) once in 48 hours
Select the boiling point of refrigerant 134 A at 1 atmosphere :
(A) -31.5°C (B) -29.8°C
(C) -26.1°C D) -118°C
Most important property of insulating material is :
(ക) 0000/1085 (छ) easy to handle
(C) light in weight (D) low conductivity
The component which control the bimetal thermostat is :
(¢) Defrost heater (3) Fan motor
(C) Overload protector (D) P.T.C. Relay
HC refrigerant using systems should be vacuumized upto :
(A) 2000 Microns Hg (B) 500 Microns Hg
(C) 100 Microns Hg : (D) 1000 Microns Hg water
When compare to CFC 12 the charge of 134 A will be :
(ക) 90% 0 95% (2) 25% extra
(0) same weight _ (D) twice quantity
The swash plate compressor is most frequently used in :
(ಯ) Refrigerators (B) Window air conditioners
(C) अप्रा air conditioners (D) Car air conditioners
Which of the following refrigerant has the lowest freezing point?
{A) Ammonia (B) Freon-11
(C) Freon-22 (D) 1800-2
11 066/2016
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