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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
The central air conditioning system has ___________ overall efficiency as compared to individual systems.

Higher
None of these
Same
Lower

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Refrigeration and Air Conditioning
Freon group of refrigerants are

Non-inflammable and toxic
Toxic
Nontoxic and non-inflammable
Inflammable

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Refrigeration and Air Conditioning
If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be

More/less depending on rating
Less
Same
More

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

Less than
Greater than
Equal to
None of these

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Refrigeration and Air Conditioning
A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

Sum of (A) and (B)
Heat stored in the human body
Heat dissipated to the surroundings
Difference of (A) and (B)

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MORE MCQ ON Refrigeration and Air Conditioning

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