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Which type of fall is suitable for 60 cumecs...

Which type of fall is suitable for 60 cumecs discharge and 1.5 m drop?

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+1 vote

asked Aug 19, 2023 in Irrigation Engineering by Carter (75.2k points)

Which type of fall is suitable for 60 cumecs discharge and 1.5 m drop?

(a) Montague Type Fall

(b) Rapids

(c) Straight Glacis Fall

(d) Baffle Fall

The question was asked by my school principal while I was bunking the class.

The origin of the question is Canal Falls in chapter Canal Falls of Irrigation Engineering

irrigation engineering
canal falls

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1 Answer

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answered Aug 22, 2023 by Greg (106k points)

Correct choice is (c) Straight Glacis Fall

To explain: In this type of modern fall, a straight glacis is provided after the raised crest. The hydraulic jump is made to happen on this glacis causing sufficient energy dissipation. If not flumed this fall gives good performance. This fall is suitable for 60 cumecs discharge and 1.5 m drop.

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