_ Gradually varied flow in open channel is a/an __________ flow.$?

1.	_ Gradually varied flow in open channel is a/an __________ flow.$?
A.	Steady uniform
B.	Steady non-uniform
C.	Unsteady uniform
D.	Unsteady non-uniform
Answer» C. Unsteady uniform

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_ Gradually varied flow in open channel is a/an __________ flow.$?

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