Calculate the discharge over rectangular Weir of 3 metres length under the head

Question

Calculate the discharge over rectangular Weir of 3 metres length under the head of 400mm.Use Francis formula.

Options:

A . 1.268 m³/s

B . 1.396 m³/s

C . 1.475 m³/s

D . 1.528 m³/s

Answer: Option B
Answer: (b).1.396 m³/s

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