Kerala PSC Previous Years Question Paper & Answer
Page:5
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.
നന്ന
D:-Centrifugal
Correct Answer:- Option-C
‘Question33:-The heat rejection factor is given by
‘Aol + COP
1ھ -
دی +0۴
त)
Correct Answer:- Option-C
Question34:-The refrigerant for a refrigerator should have
AcHigh sensible heat
B:-High total heat
C-High latent heat
D-Low sensible heat
Correct Answer:- Option-C
Question35:-Freon group refrigerants are
‘Acinflammable
8०५०
11 اط
1
Correct Answer:- Option-C
Question36:-In a Camot cycle, heat is transferred at
‘As Constant pressure
B:-Constant volume
C=Constant temperature
D-Constant enthalpy
Correct Answer:- Option-C
Question37:-A process in which substance is exposed to mechanical or chemical action of air is called
AcAgitation
B:-Aeration
CeAspiration
D:-Atomization
Correct Answer:- Option ®
Question38:-The capacity of domestic refrigerator is of the range of
കന്നു
81037
8ہ دی
D:5to7 TR
Correct Answer:- Option-é
‘Question39:-The tubes of shell and tube condenser in ammonia refrigerant is made up of
AcSteel
B:-Copper
നട
D-Glass
Correct Answer:- Option-é
Question4o:-A bootstrap air cooling system has
‘A-One heat exchanger
B:-Two heat exchanger
ಆ heat exchanger
D:-No heat exchanger