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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During cooling and dehumidification, dry bulb temperature

Increases
None of these
Remains constant
Decreases

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Remains constant
Decreases
Increases
None of these

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is

Wet vapour
Dry vapour
High pressure saturated liquid
Very wet vapour

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

Equal to
Less than
More than
None of these

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

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

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

Same as
Higher than
None of these
Lower than

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