Calculate discharge of a weir 2 metre long with a water flow over a head of 250

Question

Calculate discharge of a weir 2 metre long with a water flow over a head of 250 mm use Francis formula.

Options:

A . 0.34 m³/s

B . 0.46 m³/s

C . 0.25 m³/s

D . 0.65 m³/s

Answer: Option B
Answer: (b).0.46 m³/s

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