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Refrigeration and Air Conditioning

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

Two fluids
Single fluid
Three fluids
None of the listed here

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Refrigeration and Air Conditioning
The alignment circle is marked on the psychrometric chart at

20°C DBT and 60% RH
26°C DBT and 60% RH
20°C DBT and 50% RH
26°C DBT and 50% RH

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Evaporator and compressor
Compressor and condenser
Receiver and evaporator
Condenser and receiver

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Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Expansion valve
Compressor
Condenser
Evaporator

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

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

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Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

Decreases
None of these
Increases
Remains constant

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