Refrigeration and Air Conditioning
Wet bulb temperature is the temperature of air recorded by a thermometer, when

The moisture present in it begins to condense
It is not affected by the moisture present in the air
None of these
Its bulb is surrounded by a wet cloth exposed to the air

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Refrigeration and Air Conditioning
Which of the following statement is wrong?

The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region
The value of C.O.P. is always greater than one
In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour
None of the listed here

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Refrigeration and Air Conditioning
Which of the following statement is correct?

The constant enthalpy lines are also constant wet bulb temperature lines
All of the listed here
The wet bulb temperature is a measure of enthalpy of moist air
The wet bulb and dry bulb temperature are equal at saturation condition

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