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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Rating of a domestic refrigerator is of the order of

0.1 ton
40 tons
5 tons
10 tons

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

Equal to
None of these
Less than
More than

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Refrigeration and Air Conditioning
The process, generally used in winter air-conditioning to warm and humidity the air, is called

Heating and humidification
Humidification
Cooling and dehumidification
Dehumidification

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Refrigeration and Air Conditioning
The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

Super-cooling
None of the listed here
Normal cooling
Sub-cooling or under-cooling

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Refrigeration and Air Conditioning
The reduced ambient air cooling system has

Two cooling turbines and one heat exchanger
One cooling turbine and two heat exchangers
Two cooling turbines and two heat exchangers
One cooling turbine and one heat exchanger

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

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

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MORE MCQ ON Refrigeration and Air Conditioning

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