Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Refrigeration Mechanic - Apex Societies of Co-operative Sector in Kerala/ MATSYAFED ' And exam conducted in the year 2022. And Question paper code was '039/2022'. 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.
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(ಸ) current
(0) rated voltage
The diode used for voltage regulation is :
(A) _ rectifier diode
(0) signal diode
(^) Evaporator
(C) Refrigerant
Which refrigerant absorb only sensible heat?
(ಹ) Secondary refrigerant
(C) Primary refrigerant
Ifa humming and chattering noise is observed in the starter then check for the :
(B) overload
() ௩௦0௦ of these
(B) zener diode
(D) tunnel diode
How many diodes are required to form a bridge rectifier?
bo
(B)
(D) 3
na refrigeration system which is used as heat transfering medium?
(B) Condenser
(D) None of these
൫ 1348
(D) ೫-13
Which is react with ozone and changes it into oxygen?
(^) Carbon
(C) Fluorine
The desirable quantity of a refrigerant :
(A) Low boiling point
(C) High latent heat valve
HC blend refrigerant is :
(^) Freon
(C) Sulphur
Refrigerant -500 15 :
(A) Ammonia
(C) Methane
(B) Chlorine
(D) Sulphur
(B) Well mixable with oil
(D) Allof the above
(8) 1848
൯) Ammonia
൯) 36९० traps
(D) Ethane
039/2022
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