Which of the following two quantities when same, makes one pipe system equivalent to another pipe system ?

Which of the following two quantities when same, makes one pipe system

1.	Which of the following two quantities when same, makes one pipe system equivalent to another pipe system ?
A.	Head & discharge
B.	Length & discharge
C.	Length & diameter
D.	Friction factor & diameter.
Answer» B. Length & discharge

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Which of the following two quantities when same, makes one pipe system equivalent to another pipe system ?

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