Refrigeration and Air Conditioning
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

Absorber and generator
Absorber, generator and liquid pump
Generator
Liquid pump

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Refrigeration and Air Conditioning
One ton of the refrigeration is

The cooling effect produced by melting 1 ton of ice
The standard unit used in refrigeration problems
The refrigeration effect to produce 1 ton of ice at NTP conditions
The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours

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