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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Cooling water is required for following equipment in ammonia absorption plant

Evaporator
Absorber
Condenser
Condenser, absorber and separator (rectifier)

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Refrigeration and Air Conditioning
The capacity of a domestic refrigerator is in the range of

5 to 7 TR
3 to 5 TR
1 to 3 TR
0.1 to 0.3 TR

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Refrigeration and Air Conditioning
The refrigerant for a refrigerator should have

High sensible heat
High total heat
High latent heat
Low latent heat

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Refrigeration and Air Conditioning
The advantage of dry compression is that

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

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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
Ammonia absorption refrigeration cycle requires

Nearly same work input as for vapour compression cycle
Zero work input
Very little work input
Maximum work input

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MORE MCQ ON Refrigeration and Air Conditioning

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