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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The thermostatic expansion valve is used in ________ type of evaporators.

DX coil
Dry
Flooded
None of these

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Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

High latent heat of vaporisation
High boiling point
Higher critical temperature
Tow specific heat of liquid

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Evaporator
Condenser
Expansion valve
Compressor

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Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Dry bulb depression
Wet bulb depression
Degree of saturation
Dew point depression

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Higher than
Same as
Lower than
None of these

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Refrigeration and Air Conditioning
The lowest thermal diffusivity is of

Lead
Rubber
Iron
Aluminium

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