Home

Coefficient of contraction is the ratio of

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

Please do not use chat terms. Example: avoid using "grt" instead of "great".