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Refrigeration and Air Conditioning

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

Specific humidity
Dry bulb temperature
Dew point temperature
Wet bulb temperature

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Refrigeration and Air Conditioning
Most of the domestic refrigerators work on the following refrigeration system

Vapour compression
Carnot cycle
Vapour absorption
Electrolux refrigerator

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Refrigeration and Air Conditioning
Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system

Strong solution to weak solution
Ammonia vapours to weak solution
Strong solution to ammonia vapour
Weak solution to strong solution

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Refrigeration and Air Conditioning
A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called

Saturated air
Moist air
Dry air
Specific humidity

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Refrigeration and Air Conditioning
In case of sensible cooling of air, the coil efficiency is given by

1/ B.P.F.
P.F. - 1
1 + B.P.F.
1 - B.P.F.

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Refrigeration and Air Conditioning
The boiling point of ________ is 10.5°C.

Ammonia
Carbon dioxide
Sulphur dioxide
R-12

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MORE MCQ ON Refrigeration and Air Conditioning

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