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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Inclined line
Vertical line
Curved line
Horizontal line

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Refrigeration and Air Conditioning
Presence of moisture in a refrigerant affects the working of

Evaporator
Compressor
Expansion valve
Condenser

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Refrigeration and Air Conditioning
Pick up the wrong statement. A refrigerant should have

High latent heat of vaporisation
High boiling point
Tow specific heat of liquid
Higher critical temperature

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Refrigeration and Air Conditioning
In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

Collect vapours
Detect liquid in vapour
Collect liquid refrigerant and prevent it from going to compressor
Superheat the vapour

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Refrigeration and Air Conditioning
The cooling system used for supersonic aircrafts and rockets is

Bootstrap air cooling system
Regenerative air cooling system
Reduced ambient air cooling system
Simple air cooling system

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MORE MCQ ON Refrigeration and Air Conditioning

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