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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The higher temperature in vapour compression cycle occurs at

Receiver
Compressor discharge
Expansion valve
Evaporator

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

Horizontal and non-uniformly spaced
Horizontal and uniformly spaced
Vertical and uniformly spaced
Curved lines

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Refrigeration and Air Conditioning
At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant

decreases
increases
remains same
depends on other factors

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Refrigeration and Air Conditioning
Presence of moisture in a refrigerant affects the working of

Evaporator
Compressor
Expansion valve
Condenser

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

None of these
Relative
Specific
Absolute

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Refrigeration and Air Conditioning
The process, generally used in summer air conditioning to cool and dehumidify the air, is called

Humidification
Cooling and dehumidification
Dehumidification
Heating and humidification

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