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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is

Same
More or less depending on ambient conditions
More
Less

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Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Wet bulb depression
Dew point depression
Degree of saturation
Dry bulb depression

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Refrigeration and Air Conditioning
In a refrigerating machine, heat rejected is _________ heat absorbed.

None of these
Greater than
Less than
Equal to

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Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

0.67
0.6
0.3
1.5

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Refrigeration and Air Conditioning
Where does the lowest temperature occur in a vapour compression cycle?

Evaporator
Expansion valve
Compressor
Condenser

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

None of these
More than
Equal to
Less than

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