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Q. 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. S.I. unit of fouling factor is Watt/m2.°K
  • C. In a shell and tube heat exchanger, the shell pressure drop is maximum for orifice baffles
  • D. Longitudinal fins are used in extended surface heat exchangers, when the direction of fluid flow is parallel to the axis of the tube