SSC JE Civil Engineering 2018 Set 2 Solved Paper

Question : 138 of 200

Marks: +1, -0

What is the cross-sectional area (sq. m) of the channel, if its hydraulic radius and wetted perimeter is given as 300 cm and 860 cm respectively?

Solution:

Hydraulic Radius(R) = A/P
3.6 = A/8.6 = 25.8 m

^2

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