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Estimate the wetted area of a triangular channel having a depth of 5m and the side slope is 2H:1V.

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+1 vote
in Fluid Mechanics by (118k points)
Estimate the wetted area of a triangular channel having a depth of 5m and the side slope is 2H:1V.

(a) 50m^2

(b) 60m^2

(c) 70m^2

(d) 80m^2

This question was posed to me in exam.

My question is from Geometrical Properties of Triangular Section topic in division Flow in Open Channels of Fluid Mechanics

1 Answer

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Best answer
Correct option is (a) 50m^2

For explanation: Wetted area = Zy^2

= 2(5^2)

= 50m^2.

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