+1 vote
in Irrigation Engineering by (75.2k points)
The device which does not help in energy dissipation at the bottom of a hydraulic structure over which water spills is ________________

(a) chute block

(b) dentated sill

(c) morning glory

(d) baffle piers

This question was posed to me in an international level competition.

I'm obligated to ask this question of Energy Dissipation Below Overflow Spillway in division Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering

1 Answer

0 votes
by (106k points)
The correct choice is (c) morning glory

The explanation is: A flared inlet called morning glory is often used in large projects. The horizontal tunnel is either taken through the dam body or below the foundations. Chute blocks, dentated sills and baffle piers are all auxiliary devices which help in energy dissipation.

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