Kerala PSC Previous Years Question Paper & Answer
Page:3
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.
Correct Answer:- Option-D
Question16:-Crtical pressure of a liquid is the pressure
‘AcAbove which liquid will remain liquid
॥ which a liquid becomes gas
Ce-Above which a liquid becomes gas
D-At which all the phases exist together
Correct Answer:- Option-é
Question 7:-Ammonia is
॥
B:-Non-inflammable
CeToxie and norvinflammable
D-Highly toxic and inflammable
Correct Answer:- Option-D
Question18:-For room air distribution, the maximum variation in temperature is
AO degree Celsius
8:-1 degree Celsius
Co degree Celsius
D5 degree Celsius
Correct Answer:- Option ®
Question19:-The device used to finish a drilled hole
1
७.०८
ಯಾಂ
D:-Reamer
Correct Answer:- Option-D
Question20:-Presence of moisture in a refrigerant affects the working of
‘A-Compressor
B:-Condenser
C:Expansion valve
D: Evaporator
Correct Answer:- Option-C
Question21:-The boiling point of ammonia is
A:-100 degree Celsius
:--50 degree Celsius
C--33.3 degree Celsius
D3 degree Celsius
Correct Answer:- Option-C
Question22:-Which of the following refrigerant has the highest critical point temperature ?
‘Ac Freon
B:-Freon-12
C-Ammonia
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‘Question23:-One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice in
‘cin 1 hour
Bsn 24 hour
Coin 12 hour
Dein 6 hour
Correct Answer: Option ®
‘Question24:-In Electrolux refrigerator