1.

The downstream apron of the ogee spillway is found to have a negligible effect on the coefficient of discharge when the value of ________________

A. (Hd + d) / He is less than 1.7
B. (Hd + d) / He exceeds 1.7
C. (Hd + d) / He is equal to 1
D. (Hd + d) / He is less than 1.33
Answer» C. (Hd + d) / He is equal to 1


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