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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
The lowest temperature during the cycle in a vapour compression system occurs after

Condensation
Compression
Expansion
Evaporation

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Refrigeration and Air Conditioning
The specific humidity during dehumidification process

Decreases
None of these
Remains constant
Increases

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Refrigeration and Air Conditioning
In vapour compression refrigeration system, refrigerant occurs as liquid between

Compressor and condenser
Condenser and expansion valve
Compressor and evaporator
Expansion valve and evaporator

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Refrigeration and Air Conditioning
A refrigerant compressor is used to

All of these
Circulate the refrigerant through the refrigerating system
Raise the temperature of the refrigerant
Raise the pressure of the refrigerant

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MORE MCQ ON Refrigeration and Air Conditioning

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