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Which of the following curve is provided when the...

Which of the following curve is provided when the slope of the chute changes from milder to steeper?

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+1 vote

asked Sep 26, 2023 in Irrigation Engineering by Carter (75.2k points)

Which of the following curve is provided when the slope of the chute changes from milder to steeper?

(a) Concave vertical curve

(b) Hyperbolic curve

(c) Convex vertical curve

(d) Straight plan

This question was posed to me by my college professor while I was bunking the class.

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

irrigation engineering
spillways
energy dissipators and spillway gates
chute spillway

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1 Answer

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answered Nov 9, 2023 by Greg (106k points)

The correct answer is (c) Convex vertical curve

The explanation: A convex vertical curve shall have to be provided when the slope of the chute changes from milder to steeper. The curvature should approximate to a parabolic shape. A concave vertical curve is provided whenever the slope changes from steeper to milder.

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