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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
Bell Coleman cycle is a

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

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Refrigeration and Air Conditioning
In Electrolux refrigerator

Ammonia evaporates in hydrogen
Hydrogen evaporates in ammonia
Ammonia is absorbed in water
Ammonia is absorbed in hydrogen

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Refrigeration and Air Conditioning
The dry bulb temperature lines, on the psychrometric chart are

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

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

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

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Refrigeration and Air Conditioning
Where does the lowest temperature occur in a vapour compression cycle?

Compressor
Evaporator
Condenser
Expansion valve

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