Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'AC Plant Operator' And exam conducted in the year 2023. And Question paper code was '148/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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-D
Question46:-During evaporation the refrigerant absorbs heat from the
surroundings. What kind of heat is absorbed during evaporation?
A:-Super heat
B:-Sensible heat
C:-Latent heat
D:-Specific heat
Correct Answer:- Option-C
Question47:-Which of the following operating temperature is true, related to the
operating condition of frosting type evaporator?
A:-Above 273°K
B:-Below 32°F
C:-Below 100°C
D:-Below 0°K
Correct Answer:- Option-B
Question48:-In which of the following refrigerant group R-410A belongs to?
A:-CFC
B:-HCFC
C:-HFC Blend
D:-Inorganic group
Correct Answer:- Option-C
Question49:-Which of the following quality of refrigerant should be high?
A:-Specific volume
B:-Boiling point
C:-Freezing point
D:-Thermal conductivity
Correct Answer:- Option-D
Question50:-In which year India aim to completely ban HCFC refrigerant?
A:-2030
B:-2040
C:-2042
D:-2045
Correct Answer:- Option-B
Question51:-The GWP of refrigerant 1234yf is?
A:-4
B:-3