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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Dry bulb depression
Degree of saturation
Dew point depression
Wet bulb depression

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Refrigeration and Air Conditioning
In a vapour compression system, the condition of refrigerant before passing through the condenser is

Superheated vapour
Wet vapour
Dry saturated vapour
Saturated liquid

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Refrigeration and Air Conditioning
In a psychrometric chart, specific humidity (moisture content) lines are

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

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

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

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Refrigeration and Air Conditioning
Wet bulb temperature is the temperature of air recorded by a thermometer, when

None of these
Its bulb is surrounded by a wet cloth exposed to the air
It is not affected by the moisture present in the air
The moisture present in it begins to condense

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Refrigeration and Air Conditioning
Formation of frost on evaporator in refrigerator

Results in loss of heat due to poor heat transfer
Is immaterial
Increases heat transfer rate
Can be avoided by proper design

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MORE MCQ ON Refrigeration and Air Conditioning

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