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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The Freon group of refrigerants are

Inorganic refrigerants
Hydrocarbon refrigerants
Halocarbon refrigerants
Zoetrope refrigerants

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Refrigeration and Air Conditioning
In which of the following refrigeration system, waste heat can be effectively used?

None of the listed here
Vapour compression cycle
Air refrigeration cycle
Vapour absorption cycle

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Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of evaporator
At which refrigerant gas becomes liquid
Of cooling medium
Of freezing zone

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Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

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

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Refrigeration and Air Conditioning
The relative coefficient of performance is equal to

None of these
(Actual C.O.P.) /(Theoretical C.O.P.)
(Theoretical C.O.P.)/ (Actual C.O.P.)
(Actual C.O.P.) × (Theoretical C.O.P.)

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Refrigeration and Air Conditioning
The relative humidity lines on a psychrometric chart are

Vertical and uniformly spaced
Curved lines
Horizontal and uniformly spaced
Horizontal and non-uniformly spaced

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