Kerala PSC Previous Years Question Paper & Answer
Page:6
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.
Correct Answer:- Option B
Question41:-A system of fixed mass and identity whose boundaries are determined by the space of matter occupied init is called
‘AcClosed system
B:-Open system
വട്ട system
D-Control volume
Correct Answer:- ೦೧000
Question42:-Formation of frost on evaporator in refrigerator
‘Ac Results in loss of heat due to poor heat transfer
B:-Increases heat transfer rate
೦-೫5 no effect
D-Decreases compressor power
Correct Answer:- ೦೧000
Question43:-Chemical formula of Freon-12
டாதி
டடத
ಯಂರ್ಯ
Decalr,
Correct Answer:- ೦೧000
Question44:-Heating of air without changing its moisture content takes place on psychrometric chart along
ننم vertical line upward
B:-A vertical ine downward
CA horizontal ine of the constant dew point
D-Curved line
Correct Answer: Option-C
Question45:-Drift loss in cooling tower is of the order of
Aol to 5%
B:-5 to 10%
೦-೩0 to 20%
D:-25 to 50%
Correct Answer: Option-C
Question46:-Out of the following which one is an example for intensive property ?
‘AcTemperature
Bs Pressure
ണ്ടി
०-५। क्र above
Correct Answer:- Option-D
Question47::Which of the following property remains constant during throttling process ?
‘Acintemal energy
Bs Pressure
entropy
D-Enthalpy
Correct Answer:- Option-D
Question48:-According to Charles law for a perfect gas
जता, = ,اللي 8415 kept constant
Bey, அர if Pis kept constant
0.1, சரம if Tis kept constant
D:-PV/T = constant
Correct Answer: 8