When a fast, shallow stream of water on the downstream side of a sloping glacis meets a slow, deep stream, the water surface rises abruptly. What is this called?
Correct answer B. Hydraulic jump
Explanation
A hydraulic jump is the sudden rise in water level when supercritical flow changes to subcritical flow, dissipating much of the energy as turbulence.
Answer checked How we write and check questions
Discussion