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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Higher than
None of these
Lower than
Same as

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Ammonia and lithium bromide
Water and lithium bromide
Water and water
Ammonia and water

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

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

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Refrigeration and Air Conditioning
The wet bulb temperature during sensible cooling of air

Increases
None of these
Remains constant
Decreases

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Refrigeration and Air Conditioning
The capillary tube is not used in large capacity refrigeration systems because

Required pressure drop cannot be achieved
Capacity control is not possible
It is made of copper
Cost is too high

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

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

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MORE MCQ ON Refrigeration and Air Conditioning

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