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________________ are used only for very minor works.

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in Irrigation Engineering by (75.2k points)
________________ are used only for very minor works.

(a) Dropping gates

(b) Stop logs and needles

(c) Rectangular gates

(d) Drum gates

The question was posed to me during an interview.

This key question is from Types of Spillway Gates in section Spillways, Energy Dissipators and Spillway Gates of Irrigation Engineering

1 Answer

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by (106k points)
Correct answer is (b) Stop logs and needles

Easiest explanation: A Stop log consists of wooden beams and planks placed on to one another and leakage between them is a big problem. Needles are wooden logs kept side by side and it is very difficult to handle these logs at the time of flow. Hence they are not used on any major works.

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