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« Back to Questions List
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A. 4.50 m
B. 5.00 m
C. 5.50 m
D. 6.50 m
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