Kerala PSC Previous Years Question Paper & Answer
Page:12
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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What is the reason for poor condensation in Split AC ?
(5) Condenser fan motor failure (B) Sufficient air flow
(C) Condenser tubes are nice (D) Condenser fin damage
Which instrument is used for measuring humidity ?
(A) Hydrometer (8) Thermometer
(C) Hygrometer (D) Anemometer
ODP Value of HFC 134a :
@) 1 ® 3 © o ¢ 2
De-superheating takes place in
(മ) Compressor (B) Discharge line (C) Condenser (D) Both (B) and (C)
The ratio of the sensible heat to the total heat is known as :
(5) Sensible heat factor (8 ^?
(ಲ) Enthalpy (D) Relative humidity
The compressor motor in a hermetically sealed compressor is cooled by :
(A) Water (B) Air (ಲ) Refrigerant (D) Nitrogen
Float valves are used in :
(^) Refrigerators (8) Large refrigeration systems
(ಲ) Package units (D) Split AC
Velocity pressure is :
(A) Difference between Static pressure and Air pressure
(8) Difference between Total pressure and Static pressure
(ಲ) Difference between Air velocity and Air pressure
(D) None of these
067/2018 12 A
