What is the equivalent diameter of a square pitch shell and tube HE i – McqOptions

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1.	What is the equivalent diameter of a square pitch shell and tube HE if pitch is 40mm, the outer diameter of the tubes is 30mm?
A.	39.4 mm
B.	37.9 mm
C.	36.2 mm
D.	34.1 mm
Answer» C. 36.2 mm

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