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Coefficient of contraction is the ratio of. | |
A. | actual velocity of jet at vena contracta to the theoretical velocity [Wrong Answer] |
B. | loss of head in the orifice to the head of water available at the exit of the orifice [Wrong Answer] |
C. | actual discharge through an orifice to the theoretical discharge [Wrong Answer] |
D. | area of jet at vena contracta to the area of orifice [Correct Answer] |