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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 freezing point of sulphur dioxide is

-135.8°C
-56.6°C
-75.2°C
-77.7°C

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Refrigeration and Air Conditioning
The boiling point of ammonia is

-10.5°C
-30°C
-77.7°C
-33.3°C

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Refrigeration and Air Conditioning
In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in

None of these
Evaporator
Condenser
Absorber

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Refrigeration and Air Conditioning
The conditioned air supplied to the room must have the capacity to take up

Room latent heat load only
Room sensible heat load only
Both room sensible heat and latent heat loads
None of the listed here

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Refrigeration and Air Conditioning
The advantage of dry compression is that

It results in high volumetric and mechanical efficiency
It permits complete evaporation in the evaporator
It permits higher speeds to be used
All of these

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