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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
For obtaining high COP, the pressure range of compressor should be

Low
High
Any value
Optimum

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

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

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Lower than
Same as
Higher than
None of the listed here

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Refrigeration and Air Conditioning
The process, generally used in winter air-conditioning to warm and humidity the air, is called

Humidification
Dehumidification
Heating and humidification
Cooling and dehumidification

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Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

High boiling point
Higher critical temperature
Tow specific heat of liquid
High latent heat of vaporisation

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Refrigeration and Air Conditioning
Air refrigerator works on

Reversed Carnot cycle
Both (A) and (B)
None of these
Bell Coleman cycle

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MORE MCQ ON Refrigeration and Air Conditioning

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