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 - Apex Societies of Co-operative Sector in Kerala/ MATSYAFED ' And exam conducted in the year 2022. And Question paper code was '039/2022'. 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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Which one of the following have eliminators and spray nozzles?
(A) Hygrometer (B) Air washer
(C) Anemometer (D) Pressure gauge
During winter season which one of the following should be controlled with temperature in an
air conditioning system?
(A) Oxygen ൯) Dew point
(C) Pressure (D) Humidity
Ina comfortable AC system the relative humidity should be :
(A) 70% ®) 40%
(C) 60% (D) 50%
Which is a psychrometric process?
(A) Latent heat (B) Sensible heat
(C) Sensible cooling (D) Specific heat
A device which is used to decrease moisture from an air conditioning system :
(A) Air washer ൯) Dehumiditie
(C) Anemometer (1) Psychromete
An instrument used to measure air velocity :
(A) Anemometer (B) Hygrometer
(0) Mycrometer (D) Pressure gauge
Heat increases :
(A) Temperature and size (B) Only temperature
(C) Only pressure (D) None of these
Standard atmospheric pressure :
(A) 0 (B) 20 Pound
(C) 14.75 Pound/square inch (D) 50 Psi
Rectifier is a part of refrigeration system :
(A) Mechanical (B) Absorption
(C) Water vapour (D) Allof these
7 039/2022
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