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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature during sensible cooling of air

None of these
Increases
Decreases
Remains constant

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Refrigeration and Air Conditioning
The evaporator used in household refrigerators is

Defrosting evaporator
Non-frosting evaporator
None of these
Frosting evaporator

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

None of these
Remains constant
Decreases
Increases

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Zoetrope refrigerants
Inorganic refrigerants
Hydrocarbon refrigerants
Halocarbon refrigerants

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Refrigeration and Air Conditioning
The lowest thermal diffusivity is of

Lead
Rubber
Iron
Aluminium

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Refrigeration and Air Conditioning
Ammonia absorption refrigeration cycle requires

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

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MORE MCQ ON Refrigeration and Air Conditioning

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