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The side slope of approach channel of chute spillway is ___________________

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+1 vote
in Irrigation Engineering by (75.2k points)
The side slope of approach channel of chute spillway is ___________________

(a) 1:1

(b) 1:1 \(\frac{1}{2}\)

(c) 1:3

(d) 1:2.5

I have been asked this question during a job interview.

Query is from Chute Spillway in section Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering

1 Answer

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by (106k points)
The correct option is (a) 1:1

Easy explanation: An entrance channel also called as an approach channel is trapezoidal in shape with side slopes 1:1. It is constructed so as to lead the reservoir water up to the control structure or low ogee weir.

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