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1. |
The discharge per metre width at the foot of a spillway is 10 m3/s at a velocity of 20 m/s. A perfect free hydraulic jump will occur at the foot of the spillway when the tail water depth is approximately equal to |
A. | 4.50 m |
B. | 5.00 m |
C. | 5.50 m |
D. | 6.50 m |
Answer» E. | |