If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
A
D/2 or minimum 2" to 5D
B
D/5 or minimum 2" to 5D
C
D/5 or minimum 2" to D
D
None of these
Correct Answer: D/5 or minimum 2" to 5D