__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

__________ number determines whether the fluid flow in an open channel

1.	__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
A.	Mach
B.	Reynolds
C.	Froude
D.	Weber
Answer» D. Weber

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__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

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