Refrigeration and Air Conditioning
In a saturated air-water vapour mixture, the

Dry bulb temperature is higher than wet bulb temperature
Dry bulb temperature is higher than dew point temperature
Dry bulb, wet bulb and dew point temperature are same
Dew point temperature is lower than wet bulb temperature

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Refrigeration and Air Conditioning
The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)

(td₃ - td₁)/(td₃ - td₂)
(td₂ - td₃)/(td₃ - td₁)
(td₃ - td₁)/(td₂ - td₃)
(td₃ - td₂)/(td₃ - td₁)

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