Two piping system are said to be equivalent, when the __________ are s

1.	Two piping system are said to be equivalent, when the __________ are same.
A.	fluid flow rate & friction loss
B.	length & friction factor
C.	diameter & friction factor
D.	length & diameter
Answer» B. length & friction factor

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Two piping system are said to be equivalent, when the __________ are same.

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