Kerala PSC Previous Years Question Paper & Answer
Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'REFRIGERATION MECHANIC UIP HEALTH SERVICES' And exam conducted in the year 2016. And Question paper code was '066/2016'. 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.
24,
25.
26.
27.
29.
80.
31.
32.
Convert from CFC 12 to HFC 134 A the compressor displacement will be :
smaller
slightly larger
(ಗೆ)
(0)
The type of condenser used in water cooler :
(ಗಿ) natural draft
(C) evaporative
Pump down the system for :
(A) more cooling effect
(©) gascharging
Purging is done :
(A) after gas charging
(0)
before vacuumizing
The refrigerant enters in the condenser by the :
(ಯ) top side
(C) bottom side
One ton mfn"gerah’on isequal to:
(4) 210 kj/min
)0 3.5 kilsec
രു
(0)
க
(0)
(8)
0)
رك
ம
(8)
യു
0)
യ
equal
double
forced draft
water cooled '
to check compressor efficiency
to attend maintenance in low side
before gas charging
before pressurising
last coil
middle tube
12600 kj/hour
all of the above
Liquid charged in thermostatic expansion valves sensing bulb is :
(ಸ) alcohol
(C) ஐ
Solenoid ೪೩1೪೮ operated by :
(ಹ) electrically
(C) gas pressure
رك
D)
®)
D)
same refrigerant
nitrogen
hand
oil pressure
The colour of the flame of halide torch in case of leakage of Freon refrigerant will change to :
(^) ரன்ன
(C) bright green
066/2016 6
2)
യു
red
orange
