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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
The optimum effective temperature for human comfort is

Same in winter and summer
Higher in winter than in summer
Not dependent on season
Lower in winter than in summer

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Refrigeration and Air Conditioning
An evaporator is also known as

Chilling coil
All of these
Freezing coil
Cooling coil

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Compressor
Condenser
Expansion valve
Evaporator

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Refrigeration and Air Conditioning
Vapour compression refrigeration is somewhat like

None of these
Carnot cycle
Reversed Carnot cycle

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

remains same
increases
depends on other factors
decreases

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