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REFRIGERATION AND AIR CONDITIONING

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

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

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

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

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Refrigeration and Air Conditioning
Ammonia absorption refrigeration cycle requires

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

Sulphur sticks
All of these
Halide torch
Soap and water

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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
Compressor
Expansion valve
Condenser

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