+1 vote
in Irrigation Engineering by (75.2k points)
The surplus reservoir water after spilling over the crest of the spillway flows on the chute is __________________

(a) parallel to the crest in a trough spillway

(b) parallel to the crest in a side-channel spillway

(c) perpendicular to the crest in a side-channel spillway

(d) obliquely to the crest in a chute spillway

The question was asked during an online exam.

The above asked question is from Chute Spillway topic in chapter Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering

1 Answer

0 votes
by (106k points)
The correct answer is (b) parallel to the crest in a side-channel spillway

For explanation I would say: In chute spillway, after crossing over the crest of the spillway water flows at right angle shoots down a channel or a trough to meet the river channel downstream of the dam. The water after spilling over the crest flows parallel to the crest in a side-channel spillway.

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