Heat transfer co-efficient, h G (K cal /hr.m 2 .Â°C) and mass veloci – McqOptions

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1.	Heat transfer co-efficient, h G (K cal /hr.m 2 .Â°C) and mass velocity of air, G (kg/hr.m 2 ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as h G = 0.0176 G 0.8 . But when the flow of air perpendicular to the surface is encountered, this equation changes to
A.	h G = 1.004 G 0.37
B.	1.004 G 0.8
C.	hG = 0.0176 G 0.37
D.	0.0176 G 1.37
Answer» B. 1.004 G 0.8

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