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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature during sensible heating of air

Remains constant
None of these
Decreases
Increases

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Refrigeration and Air Conditioning
The lowest temperature during the cycle in a vapour compression system occurs after

Expansion
Condensation
Evaporation
Compression

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Refrigeration and Air Conditioning
The dry bulb temperature lines, on the psychrometric chart are

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

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Refrigeration and Air Conditioning
The dehumidification process, on the psychrometric chart, is shown by

Curved line
Inclined line
Horizontal line
Vertical line

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Refrigeration and Air Conditioning
One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice

In 1 minute
In 24 hours
In 1 hour
In 12 hours

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Refrigeration and Air Conditioning
Absorption system normally uses the following refrigerant

CO2
Freon-11
Freon-22
Ammonia

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MORE MCQ ON Refrigeration and Air Conditioning

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