Coefficient of contraction is the ratio of

Question

Options:

A . Actual velocity of jet at vena contracta to the theoretical velocity

B . Loss of head in the orifice to the head of water available at the exit of the orifice

C . Loss of head in the orifice to the head of water available at the exit of the orifice

D . Area of jet at vena-contracta to the area of orifice

Answer: Option D

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