Pick out the wrong statement.
(A) Superheated steam is preferably not used for process heating because of
its low heat transfer film co-efficient
(B) In a shell and tube heat exchanger, the shell pressure drop is maximum
for orifice baffles
(C) S.I. unit of fouling factor is Watt/m2
.°K
(D) Longitudinal fins are used in extended surface heat exchangers, when the
direction of fluid flow is parallel to the axis of the tube