Kerala PSC Previous Years Question Paper & Answer

Title : Technician Grade II (Refrigeration Mechanic)
Question Code :


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technician Grade II (Refrigeration Mechanic)' And exam conducted in the year 2022. And Question paper code was '073/2022/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.

page: 8 out of 13
Excerpt of Question Code: 073/2022/OL

QuestionS8::What type of compressor motor is used in inverter split AC 7
‘As Constant speed compressor motor
B:-Centrifugal compressor motor
C-Open type compressor motor
D-Variable speed motor
Correct Answer:- Option-D
Question59:-Which of the following is not an advantage of capillary tube 7
‘Ache cost of capillary tube is less
B:-A high starting motor is not required
Ce-No receiver is needed
DA capillary tube designed for a specific condition will also work efficiently for other conditions
Correct Answer:- Option-D
Question60:-The CSIR wiring of visible cooler has no
‘AcStarting capacitor
B:-Running capacitor
‎Correct Answer:- Option ®
‘Question61::What is the value of starting capacitor used for 1.5 TR capacity window AC ?
‘40 to 60 MFD
B:-B0 to 100 MFD
C-130 to 160 MFD
D150 to 160 MFD
Correct Answer:- Option ®
‘Question62::What is the cause for water cooler runs continuously ?
‘A Outside low temperature
B:-Poor insulation
(೦೦೫೪ದ: charge
D-Less water consumption
Correct Answer:- Option ®
Question63:-Separate thermostats are used in split AC units of the type
‘Ac Ductable split unit
B:-Multi split unit
C=Ceiling mounted unit
D-Floor mounted unit
Correct Answer:- Option ®
Question64::Which of the following statement is wrong ?
கரி value of C.O8. is always greater than one
Bsn a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour
= between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart. is wet vapour region
D-None of the above
Correct Answer:- Option-D
Question65:-Materials form deposits inside the condenser water tubes is called
‘AcWater rusting
B:-Water corrosion
C-Water fouling
D:-Water failing
Correct Answer:- Option-C
‘Question66::Why are ice cans made tapered in height ?

AcTo reduce weight

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Technician Grade II (Refrigeration Mechanic) : Video