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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Sulphur dioxide
R-12
Lithium bromide
Carbon dioxide

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Refrigeration and Air Conditioning
During humidification process, __________ increases.

Relative humidity
Wet bulb temperature
Dry bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
The mass of water vapour present in __________ is called absolute humidity.

1 m3 of water
1 kg of wet air
1 kg of dry air
1 m3 of dry air

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Refrigeration and Air Conditioning
The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called

Dew point temperature
None of these
Dry bulb temperature
Wet bulb temperature

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Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of cooling medium
Of freezing zone
At which refrigerant gas becomes liquid
Of evaporator

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Remains constant
None of these
Decreases
Increases

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MORE MCQ ON Refrigeration and Air Conditioning

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