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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During adiabatic saturation process on unsaturated air ___ remains constant.

Wet bulb temperature
Dew point temperature
Relative humidity
Dry bulb temperature

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Refrigeration and Air Conditioning
In a vapour compression cycle, the refrigerant immediately after expansion valve is

Saturated liquid
Liquid
Wet vapour
Sub-cooled liquid

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Refrigeration and Air Conditioning
The wet bulb depression indicates _________ humidity of the air.

Specific
Relative
Absolute
None of these

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

Higher than
None of these
Lower than
Same as

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Refrigeration and Air Conditioning
On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process

Takes place at constant entropy
Takes place at constant pressure
Involves no change in volume
Takes place at constant temperature

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Refrigeration and Air Conditioning
The vertical and uniformly spaced lines on a psychrometric chart indicates

Dew point temperature
Dry bulb temperature
Wet bulb temperature
Specific humidity

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