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Refrigeration and Air Conditioning

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

Higher than
Same as
Lower than
None of the listed here

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Refrigeration and Air Conditioning
In S.J. unit, one ton of refrigeration is equal to

420 kJ/ min
840 kJ/ min
21 kJ/ min
210 kJ/ min

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid

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

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

Expansion valve
Evaporator
Compressor
Condenser

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Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Wet bulb temperature
Dry bulb temperature
Specific humidity
Dew point temperature

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Refrigeration and Air Conditioning
In which of the following refrigeration system, waste heat can be effectively used?

Air refrigeration cycle
Vapour absorption cycle
Vapour compression cycle
None of the listed here

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MORE MCQ ON Refrigeration and Air Conditioning

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