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Refrigeration and Air Conditioning

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

Horizontal line
Vertical line
Inclined line
Curved line

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

Lower than
Same as
Higher than
None of the listed here

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Refrigeration and Air Conditioning
The difference between dry bulb temperature and wet bulb temperature, is called

Degree of saturation
Dew point depression
Dry bulb depression
Wet bulb depression

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Refrigeration and Air Conditioning
A vapour absorption refrigeration system

Cools below 0°C
Requires little power consumption
Gives quiet operation
Gives noisy operation

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Refrigeration and Air Conditioning
The advantage of dry compression is that

All of these
It permits higher speeds to be used
It permits complete evaporation in the evaporator
It results in high volumetric and mechanical efficiency

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Refrigeration and Air Conditioning
For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be

High
Equal
Small
Anything

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MORE MCQ ON Refrigeration and Air Conditioning

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