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Refrigeration and Air Conditioning

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

Evaporator
Condenser
Expansion valve
Compressor

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Refrigeration and Air Conditioning
The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as

Dew point temperature
Mean radiant temperature
None of the listed here
Effective temperature

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Refrigeration and Air Conditioning
The condition of refrigerant after passing through the condenser in a vapour compression system is

Wet vapour
Dry saturated vapour
Saturated liquid
Superheated vapour

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Specific humidity
Dew point temperature
Wet bulb temperature
Dry bulb temperature

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Dew point temperature decreases
Dry bulb temperature increases
All of these
Wet bulb temperature decreases

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Refrigeration and Air Conditioning
The temperature of ammonia after compression in a vapour compression system is

50 to 70°C
20 to 50°C
70 to 110°C
None of these

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MORE MCQ ON Refrigeration and Air Conditioning

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