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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An evaporator is also known as

All of these
Freezing coil
Cooling coil
Chilling coil

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Refrigeration and Air Conditioning
While designing the refrigeration system of an aircraft, the prime consideration is that the

Mass of the refrigeration equipment is low
Power per TR is low
Mass of refrigerant circulated in the system is low
System has high C.O.P.

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Refrigeration and Air Conditioning
In Electrolux refrigerator

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

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Refrigeration and Air Conditioning
Presence of moisture in a refrigerant affects the working of

Condenser
Compressor
Evaporator
Expansion valve

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Refrigeration and Air Conditioning
One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice

In 1 minute
In 12 hours
In 1 hour
In 24 hours

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Refrigeration and Air Conditioning
The COP of a domestic refrigerator

Is less than 1
Is more than 1
Depends upon the make
Is equal to 1

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MORE MCQ ON Refrigeration and Air Conditioning

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