Multiple choice

The height of a hydraulic jump in the stilling pool of 1.25 scale model was observed to be 10 cm. The corresponding prototype height of the jump is

  1. not determinable from the data given

  2. 2.5 m

  3. 0.5 m

  4. 0.1 m

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Using Froude number similarity for hydraulic jumps, the ratio of prototype height to model height is equal to the scale factor. H_p = H_m * scale.