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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An important characteristic of absorption system of refrigeration is

very little power consumption
noisy operation
cooling below 0°C
quiet operation

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Refrigeration and Air Conditioning
The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases,

Will remain unaffected
Will be lower
May be higher or lower depending upon the nature of non-condensable gases
Will be higher

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Refrigeration and Air Conditioning
The pressure at the outlet of a refrigerant compressor is called

Suction pressure
Back pressure
Critical pressure
Discharge pressure

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Refrigeration and Air Conditioning
The pressure at the inlet of a refrigerant compressor is called

Back pressure
Discharge pressure
Suction pressure
Critical pressure

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Refrigeration and Air Conditioning
A refrigerant compressor is used to

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

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Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

Triple point
Saturation point of liquid
Sublimation temperature
Saturation point of vapour

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MORE MCQ ON Refrigeration and Air Conditioning

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