Kerala PSC Previous Years Question Paper & Answer
Page:16
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.
B:-Expansion valve will close
C:-Solenoid valve will close
D:-Condenser fan motor stop
Correct Answer:- Option-C
Question81:-In air blast freezing of food, the velocity of air varies from
A:-30 to 120 m/min
B:-18 to 30 m/min
C:-10 to 25 m/min
D:-6 to 12 m/min
Correct Answer:- Option-A
Question82:-During sensible cooling of air in an air conditioning process, the
specific humidity will be
A:-Decreases
B:-Remains constant
C:-Increases
D:-100%
Correct Answer:- Option-B
Question83:-The wet bulb depression indicates humidity of the air?
A:-Critical
B:-Specific
C:-Absolute
D:-Relative
Correct Answer:- Option-D
Question84:-During adiabatic saturation process on unsaturated air
remains constant?
A:-Wet bulb temperature
B:-Dry bulb temperature
C:-Relative humidity
D:-Dew point temperature
Correct Answer:- Option-A
Question85:-The wet-bulb depression is zero when relative humidity is
A:-40%
B:-0%
C:-50%
D:-100%
Correct Answer:- Option-D