Kerala PSC Previous Years Question Paper & Answer
Page:12
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Refrigeration Mechanic UIP' And exam conducted in the year 2023. And Question paper code was '018/2023/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:-Double stage rotary
C:-Single stage rotary
D:-Scroll
Correct Answer:- Option-B
Question62:-Which type of relay is used with Capacitor start capacitor run sealed
compressor motor ?
A:-LMS relay
B:-Current coil relay
C:-Potential relay
D:-Centrifugal relay
Correct Answer:- Option-C
Question63:-In pump down process in split AC, where did the refrigerant stored ?
A:-Condenser
B:-Evaporator
C:-Accumulator
D:-Metering device
Correct Answer:- Option-A
Question64:-What is the GWP of R 22 Refrigerant ?
A:-500
B:-7300
C:-1300
D:-1700
Correct Answer:- Option-D
Question65:-Which refrigerant is the HFC group Zeotropic Mixture ?
A:-R290a
B:-R502
C:-R407C
D:-R123
Correct Answer:- Option-C
Question66:-What is the purpose of soldering the capillary tube to the suction line
in frost free refrigerator ?
A:-Super heating vapour and sub cooling liquid
B:-Sub cooling vapour and liquid
C:-Super heating liquid and sub cooling vapour
D:-Super heating vapour and liquid
Correct Answer:- Option-A