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REFRIGERATION AND AIR CONDITIONING

Refrigeration and Air Conditioning
Bell Coleman cycle is a

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

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Refrigeration and Air Conditioning
In Electrolux refrigerator

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

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

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

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

Compressor
Condenser
Expansion valve
Evaporator

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