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MRAC Set-1
Condenser, Expansion Valve and Evaporator
21

Condenser, Expansion Valve and Evaporator MCQ with Answers

21) Which gas is used to flush out the coils of air cooled condenser?

Dry nitrogen

Pure dry air

Oxygen

kaksr

Answer is:

Dry nitrogen

Condenser, Expansion Valve and Evaporator MCQ with Answers

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Related Condenser, Expansion Valve and Evaporator MCQ with Answers

22) Which application uses the capillary tube expansion device?

Domestic RAC units

Industrial ice plants

Commercial AC plants

Hospital IAQ systems

Answer is:

Domestic RAC units

23) Which expansion valve is suitable for constant load operation?

King valve

Relief valve

Low side float valve

Automatic expansion valve

Answer is:

Automatic expansion valve

24) What is the physical change of refrigerant in evaporator?

Solid to liquid

Vapour to solid

Liquid to vapour

Vapour to liquid

Answer is:

Liquid to vapour

25) What is the process of accumulation of ice on the surface of evaporator?

Frosting

Defrosting

Evacuating

Melting of frost

Answer is:

Frosting

Condenser, Expansion Valve and Evaporator MCQ with Answers

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