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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Expansion valve
Evaporator
Condenser
Compressor

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

Same as
Higher than
None of the listed here
Lower than

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

None of the listed here
Three fluids
Two fluids
Single fluid

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Refrigeration and Air Conditioning
When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

Positive
None of the listed here
Negative
Zero

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Refrigeration and Air Conditioning
The pressure at the inlet of a refrigerant compressor is called

Suction pressure
Discharge pressure
Back pressure
Critical pressure

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Refrigeration and Air Conditioning
Most air cooled condensers are designed to operate with a temperature difference of

22°C
8°C
14°C
5°C

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