Kerala PSC Previous Years Question Paper & Answer

Title : Refrigeration Mechanic (HER) - Health Services
Question Code : A

Page:9


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.

page: 9 out of 13
Excerpt of Question Code: 14/2020/OL

De-Lead
Correct Answer: Option-C
Question66:-The unit of thermal diffusivity is
‏۴6ھ‎
‏۸ھ‎
‏سن‎
‏ےب‎
‎Correct Answer: Option-C
Question67:-Dust and other impurities in air are removed by
Achir washer
B:-Centrifugal device
Ce-Adhesive impregnated filter
D-Any of the above
Correct Answer:- Option-D
Question68:-The refrigeration effect ina dry evaporator compared to flooded evaporator ina similar plant
cls same
8:15 more
Cols less
പട Unpredictable
Correct Answer: Option-C
Question69:-An air washer is used in a refrigeration system for
‘AcCleaning
B:-Cooling
C:Humidification
०-५॥ of the above
Correct Answer:- Option-D
Question70:-f suction pressure decrease, then COP
‘Ac Decreases
Bs-Increases
ടോ change
Di-First increases and then decreases
Correct Answer:- ೦೧000
Question71:-Cooling towers are installed in places where
‘AcWater is available in plenty
Bs-Water is scarce
C=For big plants
D:-For small plants
Correct Answer: Option ®
Question72::When two refrigerants are mixed in the proper proportions, the mixture forms a third refrigerant called
‘Ac Synthetic refrigerant
B:-Low pressure refrigerant
യി refrigerant
D-Auxiliary refrigerant
Correct Answer: Option-C
Question73:-Air refrigerators works on
‘AcCarnat cycle
B:-Strling cycle
CoReversed Joule cycle

D:-Atkinson cycle

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