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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The condition of refrigerant as it leaves the compressor in a vapour compression system is

Wet vapour
Superheated vapour
Dry saturated vapour
Saturated liquid

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Refrigeration and Air Conditioning
Vertical lines on pressure-enthalpy chart show constant

Entropy lines
Pressure lines
Total heat lines
Temperature lines

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Dry bulb temperature
Specific humidity
Relative humidity
Wet bulb temperature

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Zoetrope refrigerants
Hydrocarbon refrigerants
Halocarbon refrigerants
Inorganic refrigerants

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Refrigeration and Air Conditioning
The specific humidity during humidification process

Decreases
None of these
Increases
Remains constant

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Refrigeration and Air Conditioning
The pressure at the inlet of a refrigerant compressor is called

Discharge pressure
Suction pressure
Critical pressure
Back pressure

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