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Which of the following gate is not suitable for smaller spillways?

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+1 vote
in Irrigation Engineering by (75.2k points)
Which of the following gate is not suitable for smaller spillways?

(a) Drum gates

(b) Radial gates

(c) Needles and stop logs

(d) Fixed roller gates

I got this question by my school teacher while I was bunking the class.

My doubt stems from Types of Spillway Gates topic in division Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Correct option is (a) Drum gates

Best explanation: Drum gates are suitable for longer spans of the order of 40 m or so and medium heights of 10 m or so. The drum is enclosed on all the three sides as well as on the ends thus forming a water-tight vessel. It requires a large recess and is not suitable for small spillways.

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