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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 (HER)' And exam conducted in the year 2020. And Question paper code was '014/2020/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
AcBrine
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णा
Correct Answer:- Option ®
‘Question83:-Moisture in refrigeration system is removed by
Ac Drier
B:-Dessicant
CoFilter drier
D-Any of the above
Correct Answer:- Option-D
Question84:-Air cooler reduces temperature and
‘AcReduces humidity
Bs-Increases humidity
cCompress air
D-Compress refrigerant
Correct Answer:- Option ®
‘Question85::Which ofthe following is not desirable property of good insulating material ?
Actight weight
B:-High heat conductivity
C-Odorless
DConformability
Correct Answer:- Option ®
Question86:-The following type of expansion device is utilized in looded evaporator
‘Ac Motor operated valve
B:-Selfactuated expansion valve
Capillary tube
D:-Float valve
Correct Answer:- Option-D
Question87:-The solar radiation reaches earth by beam radiation and
‘Ac Diffused conduction
B:-Diffused radiation
Diffused convection
D:-Beam convection
Correct Answer:- Option ®
Question88:-As relative humidity decreases, the dew point will be
‘AcLower than wet bulb temperature
B:-Higher than wet bulb temperature
C:Equal to wet bulb temperature
D-Having no relation
Correct Answer:- Option-é
‘Question89:-The unit of capacitance is expressed by
۸08
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द
०५०७
Correct Answer:- Option-é
Question90:-An electrically operated switch used to disconnect the starting winding from the circuit, when the motor reaches 75% of its rated speed
കഥ
B:-Starting capacitor