The by-pass factor (B. P. F.) in case of sensible heating of air is (W – McqOptions

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1.	The by-pass 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)
A.	(td₂ - td₃)/(td₃ - td₁)
B.	(td₃ - td₂)/(td₃ - td₁)
C.	(td₃ - td₁)/(td₂ - td₃)
D.	(td₃ - td₁)/(td₃ - td₂)
Answer» C. (td₃ - td₁)/(td₂ - td₃)

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