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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Evaporator
Expansion valve
Condenser
Compressor

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Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

0.67
1.5
0.3
0.6

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Refrigeration and Air Conditioning
The coefficient of performance of Heat Pump is always ___ one.

None of the listed here
Equal to
Greater than
Less than

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

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

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

Remains constant
Decreases
Increases
None of the listed here

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Refrigeration and Air Conditioning
In a vapour compression cycle, the refrigerant immediately after expansion valve is

Saturated liquid
Liquid
Sub-cooled liquid
Wet vapour

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MORE MCQ ON Refrigeration and Air Conditioning

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