Refrigeration and Air Conditioning
The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

(hA - h1)/ (h2 - h1)
(h2 - hA)/ (h1 - h2)
(h1 - h2)/ (hA - h2)
(hA - h2)/ (h1 - h2)

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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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Refrigeration and Air Conditioning
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature

Of adiabatic saturation of incoming stream
Which is lower than the dew point temperature of the incoming stream
Which lies between the wet bulb and dew point temperatures of the incoming stream
Which lies between the dry bulb and wet bulb temperatures of the incoming stream

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