In a shell and tube heat exchanger having square pitch, the shell side – McqOptions

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1.	In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?
A.	4(P2 – πd2/4)/πd
B.	(P2 – rd2/4)/rd
C.	4P2/πd
D.	πd/4P2
Answer» B. (P2 – rd2/4)/rd

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