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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of

Aluminium
Steel
Brass
Copper

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Refrigeration and Air Conditioning
The condition of refrigerant after passing through the condenser in a vapour compression system is

Saturated liquid
Wet vapour
Superheated vapour
Dry saturated vapour

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant is dry saturated vapour

After leaving the compressor
Before entering the condenser
Before entering the compressor
After leaving the condenser

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

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

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Refrigeration and Air Conditioning
The specific humidity during dehumidification process

Decreases
None of these
Increases
Remains constant

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Refrigeration and Air Conditioning
The process, generally used in summer air conditioning to cool and dehumidify the air, is called

Dehumidification
Cooling and dehumidification
Heating and humidification
Humidification

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