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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Ammonia is

Non-inflammable
Non-toxic
Highly toxic and inflammable
Toxic and non-inflammable

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

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

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Refrigeration and Air Conditioning
The thermostatic expansion valve is used in ________ type of evaporators.

Flooded
Dry
None of these
DX coil

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Refrigeration and Air Conditioning
Allowable pressure on high pressure side or ammonia absorption system is of the order of

24 bars
Atmospheric pressure
Slightly above atmospheric pressure
56 bars

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Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Condenser
Evaporator
Compressor
Expansion valve

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Refrigeration and Air Conditioning
The evaporator used in household refrigerators is

None of these
Frosting evaporator
Non-frosting evaporator
Defrosting evaporator

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MORE MCQ ON Refrigeration and Air Conditioning

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