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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The undesirable property of a refrigerant is

Non-explosive
High boiling point
Non-toxic
Non-flammable

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Refrigeration and Air Conditioning
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is

Heated and humidified
Heated and dehumidified
Cooled and humidified
Cooled and dehumidified

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

Lower than
Same as
None of the listed here
Higher than

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Refrigeration and Air Conditioning
As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature.

Lower than
None of the listed here
Higher than
Same as

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Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

Single fluid
None of the listed here
Two fluids
Three fluids

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

Remains constant
None of the listed here
Increases
Decreases

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