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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Bell Coleman cycle is a

Reversed Otto cycle
Reversed Rankine cycle
Reversed Joule cycle
Reversed Carnot cycle

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Refrigeration and Air Conditioning
Freon group of refrigerants are

Inflammable
Nontoxic and non-inflammable
Toxic
Non-inflammable and toxic

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Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

Other factors decide C.O.P
Increases C.O.P
O.P remains unaltered
Decreases C.O.P

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Refrigeration and Air Conditioning
A refrigerant with the highest critical pressure is

R-12
R-11
Ammonia
R-22

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Refrigeration and Air Conditioning
In aqua ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in

Evaporator
Condenser
Absorber
None of these

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Refrigeration and Air Conditioning
The C.O.P. of a heat pump working on a reversed Carnot cycle is

(T₂ - T₁)/T₁
T₁/(T₂ - T₁)
T₂/(T₂ - T₁)
(T₁ - T₂)/T₁

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MORE MCQ ON Refrigeration and Air Conditioning

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