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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.
86, An evaporative condenser 18 8
87,
88,
89,
೨0,
91:
92:
(ಹ) 47600160 condenser
(൫) Water cooled condenser
)© Both air and water cooled at the same time
(D) None of these
Approach of a cooling tower is defined as the
(A) difference of dry bulb temperature of surrounding air and temperature of water leaving
the cooling tower.
(B) difference of temperature of water leaving the cooling tower and wet bulb temperature
of surrounding air.
(C) difference of temperature of water leaving the cooling tower and temperature of water
entering the cooling tower.
(D) None of the above
In a induced draft cooling tower, the fan is fixed at the
(ಹ) top of the cooling tower
(B) middle of the cooling tower
(C) bottom of the cooling tower
(D) any location of the cooling tower
A thermostatic expansion valve is based on the principle of maintaining a constant degree of
superheat at the .
(^) discharge of compressor ®)
(C) exit of capillary tube D)
The eliminators at the air washers avoid the
(ಯ) Airflow (8)
(C) Water flow (೧)
External equalizer is used with
(A) AEV ®)
(C) High side flat valve D)
Normally pressure relief valves are mounted on
(^) compressor ೧)
(0 condenser (D)
13
exit of the condenser
exit of evaporator
Water particles in the air
Dehumidification
TEV
Low side flat valve
in a refrigeration plant.
receiver
evaporator
132/2017
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