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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The COP of a domestic refrigerator

Depends upon the make
Is less than 1
Is equal to 1
Is more than 1

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

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

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Refrigeration and Air Conditioning
One of the purposes of sub cooling the liquid refrigerant is to

Reduce compressor overheating
Increase cooling effect
Ensure that only liquid and not the vapour enters the expansion (throttling) valve
Reduce compressor discharge temperature

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Refrigeration and Air Conditioning
Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?

Fluorine
Ammonia
Carbon dioxide
Sulphur dioxide

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Refrigeration and Air Conditioning
The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called

Newton's law of gases
Dalton's law of partial pressures
Avogadro's hypothesis
Kinetic theory of gases

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Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Compressor
Expansion valve
Condenser
Evaporator

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MORE MCQ ON Refrigeration and Air Conditioning

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