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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
The refrigerant supplied to a compressor must be

Superheated vapour refrigerant
None of these
Dry saturated liquid refrigerant
A mixture of liquid and vapour refrigerant

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

50 kcal/ hr
50 kcal/ min
80 kcal/ hr
80 kcal/ min

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Refrigeration and Air Conditioning
Ammonia absorption refrigeration cycle requires

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

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Refrigeration and Air Conditioning
The leakage in a refrigeration system using Freon is detected by

Halide torch
Soap and water
All of these
Sulphur sticks

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Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Evaporator
Condenser
Expansion valve
Compressor

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