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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'A/C MECHANIC KTDC' And exam conducted in the year 2017. And Question paper code was '132/2017'. 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.
70.
71,
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76.
High pressure cut off is used to
(^) cut off power supply to condenser fan motor if pressure increases beyond the preset
value.
(B) cut off power supply to compressor motor if pressure increases beyond the preset
value.
(C) cut off power supply 10 evaporator fan motor if pressure increases beyond the preset
value.
(D) None of these
Air velocity is measured by
(^) Tachometer (B) Anemometer
(C) Hydrometer (D) Thermometer
The solenoid valve operated by
(^) Hand operated (B) Oil pressure operated
(C) Gas pressure operated (D) Electrically operated
Brine solution circulation pump consists of .
(^) Piston type (B) Gear type
(C) Rotary type (D) Rotating vane type impeller
A water cooler is having 4 kg (weight) quantity of R-12, if you retrofit with HFC for the same
machine. How much quantity is weight of 134a you will charge ?
(A) 38kgs. B) 32kgs.
(©) 241. 0) 1.60.
Ice cream storage plant thermostat thermal bulb is located
(^) near suction line (B) ೫11016 1130
(C) inside the storage compartment (D) 180 brine solution
The function of duct in air conditioning unit is
(ಗ) Aircooling (B) Air cleaning
(C) Airdrying (D) Air distributing
1 132/2017
[P.T.O.]