For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter).

For pipe flows, head is proportional to __________ at constant capacit

1.	For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter).
A.	1/D
B.	1/D2
C.	1/D5
D.	D2
Answer» D. D2

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For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter).

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