Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic Grade-II -State Farming Corporation of Kerala Ltd' And exam conducted in the year 2023. And Question paper code was '227/2023'. 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.
95.
96.
97.
98.
99.
One Ton of refrigeration is equivalent to :
(A) 1kW ®) 25kW
(0 3.5kW 0 7۲7
For the same operating temperature the COP of a heat pump equals:
(ಹ) COP of refrigerator (B) COP of refrigerator + 1
( COP of refrigerator — 1 (0) 1/ COP of refrigerator
A good refrigerant should have :
(A) High specific volume and low boiling point
(B) High critical pressure and high boiling point
(C) High specific heat of liquid low specific heat of vapour
(D) High latent heat of vaporisation and low freezing point
On a Psychometric chart relative humidity is represented by :
(A) Curved line ൯) Inclined line
(C) Vertical line ൯൩) Horizontal line
Dew point depression represents the difference between :
(^) Dew point temperature and saturation temperature
(B) Wet bulb temperature and dew point temperature
(C) Dry bulb temperature and wet bulb temperature
(D) Dry bulb temperature and dew point temperature
100. The capacity of a refrigerating machine is expressed as :
(A) Lowest temperature attained
(B) Inside volume of cabinet
(C) Rate of abstraction of heat from the space being cooled
(D) Gross weight of the machine in tons
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