+1 vote
in Irrigation Engineering by (75.2k points)
The type of spillway which is provided on narrow valleys where no side flanks are available is ____________________

(a) ogee spillway

(b) chute spillway

(c) side-channel spillway

(d) straight drop spillway

This question was addressed to me during an interview.

My question is from Chute Spillway in chapter Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering

1 Answer

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by (106k points)
Right option is (c) side-channel spillway

Explanation: The side channel spillway is suitable when the valley is too narrow. When there is no room for provision of chute spillway (as side flanks of sufficient width are required), this type is adopted as it requires limited space. The situation required for the chute spillway and side-channel spillway is mostly the same.

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