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Refrigeration and Air Conditioning

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

Absorber
Evaporator
Condenser
None of these

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Refrigeration and Air Conditioning
The capillary tube is not used in large capacity refrigeration systems because

Cost is too high
Required pressure drop cannot be achieved
Capacity control is not possible
It is made of copper

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Refrigeration and Air Conditioning
Air refrigeration cycle is used in

Domestic refrigerators
Commercial refrigerators
Gas liquefaction
Air conditioning

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Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Horizontal line
Vertical line
Curved line
Inclined line

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Refrigeration and Air Conditioning
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is

Equal
Bigger
Smaller
Smaller/bigger depending on capacity

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Refrigeration and Air Conditioning
The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents

Compression of the refrigerant vapour
Metering of the refrigerant liquid
Evaporation of the refrigerant liquid
Condensation of the refrigerant vapour

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