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The head of water over the centre of an orifice of diameter 20 mm is 1 m.The actual discharge through the orifice is 0.85 litre/s. Find the coefficien
Question

The head of water over the centre of an orifice of diameter 20 mm is 1 m.The actual discharge through the orifice is 0.85 litre/s. Find the coefficient of discharge.

A.

1.4

B.

0.61

C.

0.2

D.

1

Correct option is B



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