Baffles provided on the shell side of a shell and tube heat exchanger

1.	Baffles provided on the shell side of a shell and tube heat exchanger are meant for
A.	providing support for the tubes.
B.	improving heat transfer.
C.	both 'a' & 'b'.
D.	preventing the fouling of tubes & stagnation of shell side fluid.
Answer» D. preventing the fouling of tubes & stagnation of shell side fluid.

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Baffles provided on the shell side of a shell and tube heat exchanger are meant for

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