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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Which of the following cycles uses air as the refrigerant?

Carnot
Bell Coleman
Stirling
Ericson

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Refrigeration and Air Conditioning
The curved lines on a psychrometric chart indicates

Dew point temperature
Relative humidity
Dry bulb temperature
Wet bulb temperature

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Refrigeration and Air Conditioning
Carbon dioxide is

Odourless
All of the listed here
Colourless
Non-flammable

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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
Zero
100
50

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Refrigeration and Air Conditioning
The heat rejection factor (HRF) is given by

1 + (1/C.O.P)
1 + C.O.P
1 - C.O.P.
1 - (1/C.O.P)

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Refrigeration and Air Conditioning
One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice

In 24 hours
In 1 minute
In 12 hours
In 1 hour

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MORE MCQ ON Refrigeration and Air Conditioning

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