CONDENSER EXPANSION VALVE AND EVAPORATOR - Practice Mode

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

Dry nitrogen Pure dry air Oxygen kaksr

Correct Answer: Dry nitrogen

2) Which application uses the capillary tube expansion device?

Domestic RAC units Industrial ice plants Commercial AC plants Hospital IAQ systems

Correct Answer: Domestic RAC units

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

King valve Relief valve Low side float valve Automatic expansion valve

Correct Answer: Automatic expansion valve

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

Solid to liquid Vapour to solid Liquid to vapour Vapour to liquid

Correct Answer: Liquid to vapour

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

Frosting Defrosting Evacuating Melting of frost

Correct Answer: Frosting

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