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Which of the following conditions is taken into account in case of most economical circular channel section?

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+1 vote
in Fluid Mechanics by (118k points)
Which of the following conditions is taken into account in case of most economical circular channel section?

(a) Minimum wetted perimeter

(b) Minimum wetted area

(c) Maximum velocity

(d) Maximum depth

I had been asked this question during an online exam.

I want to ask this question from Most Economic Circular Section topic in division Flow in Open Channels of Fluid Mechanics

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by (362k points)
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Best answer
Right answer is (c) Maximum velocity

Explanation: In case of a circular channel the depth continuously varies, hence the wetted area and wetted perimeter changes. Therefore the condition of maximum velocity is taken under consideration.

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