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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

None of the listed here
Lower than
Same as
Higher than

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Refrigeration and Air Conditioning
Condensing temperature in a refrigerator is the temperature

Of cooling medium
Of freezing zone
Of evaporator
At which refrigerant gas becomes liquid

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Refrigeration and Air Conditioning
In vapour compression cycle the condition of refrigerant is superheated vapour

Before entering the expansion valve
After passing through the expansion or throttle valve
After passing through the condenser
Before passing through the condenser

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Refrigeration and Air Conditioning
In a domestic vapour compression refrigerator, the refrigerant commonly used is

CO?
Ammonia
R-12
All of these

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

Expansion valve
Compressor
Evaporator
Condenser

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MORE MCQ ON Refrigeration and Air Conditioning

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