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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If we use solar panels to run a car AC then the mileage of car will :
(ಹ) Increase (8) Decrease
(ಲ) Remain same as earlier (D) None of these
The main working substance in air conditioning is .
(A) Dry air (B) Moist air
(ಲ Dryice (D) Water vapour
The temperature at which moisture condenses on a surface is called
(5) Grains of moisture (8) Wet bulb temperature
(ಲ) Dry bulb temperature (D) Dew point temperature
Scaling :
(ಹ) Means attaching a scale to system pipes for the length measurement.
(8) Is an instrument for measuring the length.
(ಲ) Deposition of a layer of chemicals inside a water carrying pipe in a heat exchanger.
(D) None of these
What is DDC in HVAC system ?
(A) Direct Decimal Classification (8) Direct Drive Control
(ಲ) Direct Current (D) Direct Digital Control
Which valve allow fluid flow in only one direction ?
(^) Ball valve (8) Butterfly valve
(~) Check valve (D) Shut-off valve
Cylinder colour code for R 22 is :
(ಹ) Light green (8) Orange
(ಲ) Light gray (D) Light brown
9 067/2018
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