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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
One ton refrigeration corresponds to

50 kcal/ min
50 kcal/ hr
80 kcal/ min
80 kcal/ hr

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

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

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Refrigeration and Air Conditioning
Which of the following refrigerant has the highest freezing point.

R-12
Ammonia
Carbon dioxide
Sulphur dioxide

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Refrigeration and Air Conditioning
For air conditioning the operation theater in a hospital, the percentage of outside air in the air supplied is

20
100
Zero
50

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

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

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MORE MCQ ON Refrigeration and Air Conditioning

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