Question

At a hydraulic jump, the depths of its two sides are 0.3 m and 1.2 m. The head loss in the jump is

• A. 0.45 m
• B. 0.5 m
• C. 1.0
• D. 0.8 m

Answer 1

The correct option is B 0.5 m

Head loss,
$E_L=\frac{(y_2-y_1{)}^3}{4y_1{y}_2}=\frac{(1.2-0.3{)}^3}{4\times 1.2\times 0.3}=0.5m$