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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Compressor
Evaporator
Expansion valve
Condenser

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

Decreases
Increases
Remains constant
None of these

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Refrigeration and Air Conditioning
The dehumidification process, on the psychrometric chart, is shown by

Vertical line
Curved line
Inclined line
Horizontal line

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Refrigeration and Air Conditioning
The specific humidity during dehumidification process

Increases
Decreases
None of these
Remains constant

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Refrigeration and Air Conditioning
In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at

Delivery of compressor
High pressure side close to receiver
Low pressure side near receiver
Suction of compressor

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Refrigeration and Air Conditioning
Pressure of water vapour is given by

[Pv (Pb - Pd)]/ [Pd (Pb - Pv)]
μ/[1 - (1 - μ) (Ps/Pb)]
None of these
0.622 Pv/ (Pb - Pv)

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