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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) - Health Services' And exam conducted in the year 2020. And Question paper code was '14/2020/OL'. 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.
‘A-Ammonia is absorbed in hydrogen
B:-Ammonia is absorbed in water
‘C-Ammonia evaporates in hydrogen
Hydrogen 15 absorbed in ammonia
Correct Answer: Option-C
Question25:-One tonne of refrigeration is equal to
8-210 Kymin
2:35 ۷
०.३.5५5
०-५। the above
Correct Answer:- Option-D
Question26:-On psychrometric chart, dry bulb temperature lines are
‘Ac Horizontal
B:Vertical
೦೧೬ರ
പിഡി
Correct Answer: Option ®
Question27:-The comfort conditions in air conditioning system are defined by
‘422°C dry bulb temperature and 60% relative humidity
B:-25°C dry bulb temperature and 100% relative humidity
C:-20°C dry bulb temperature and 75% relative humidity
D-25°C dry bulb temperature and 40% relative humidity
Correct Answer:- ೦೧000
Question28:-Condensing temperature in a refrigerator is the temperature
‘As Of cooling medium
B:-Of freezing zone
Of evaporator
D-At which a refrigerant becomes liquid
Correct Answer:- Option-D
Question29:-The function of brine agitator in ice plant is to
‘Acincrease refrigeration effect
Bs-Increase COP
೦-೦0೫/೧ uniform temperature of brine
०-५॥ of the above
Correct Answer: Option-C
Question30:-A sling psychrometer is used to measure
AcNolume
B:-Humidity
(1
D:Velocity
Correct Answer: Option ®
Question31:-A product of decomposition of oll resulting from impurities or moisture is
AcSludge
B:-Foam
ಯಂ
D-None of these
Correct Answer:- ೦೧000
Question32:-Out of the following compressors which one has no moving parts 7
‘Ac Reciprocating
B:-Rotary