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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During adiabatic saturation process on unsaturated air ___ remains constant.

Dew point temperature
Dry bulb temperature
Relative humidity
Wet bulb temperature

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Refrigeration and Air Conditioning
The reduced ambient air cooling system has

Two cooling turbines and two heat exchangers
One cooling turbine and two heat exchangers
One cooling turbine and one heat exchanger
Two cooling turbines and one heat exchanger

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Refrigeration and Air Conditioning
Moisture should be removed from refrigerants to avoid

Corrosion of steel plates
Restriction to refrigerant flow
Freezing at the expansion valve
All of these

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Refrigeration and Air Conditioning
In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the

Expansion valve to the evaporator
Evaporator to the thermostat
Condenser to the expansion valve
Condenser to the evaporator

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Refrigeration and Air Conditioning
The Freon group of refrigerants are

Inorganic refrigerants
Hydrocarbon refrigerants
Zoetrope refrigerants
Halocarbon refrigerants

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

Single fluid
Two fluids
None of the listed here
Three fluids

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