The area of the triangular section is 66.67m2 and the wetted perimeter of the section is 24.03m. Calculate the value of the manning‚Äö√Ñ√∂‚àö√ë‚àö¬•s roughness co efficient if the bed slope of the channel section is 1 in 500 and the discharge through the channel is 117.61m3‚Äö√Ñ√∂‚àö√ñ‚àö√´s.$

The area of the triangular section is 66.67m2 and the wetted perimeter

1.	The area of the triangular section is 66.67m² and the wetted perimeter of the section is 24.03m. Calculate the value of the manning‚Äö√Ñ√∂‚àö√ë‚àö¬•s roughness co efficient if the bed slope of the channel section is 1 in 500 and the discharge through the channel is 117.61m³‚Äö√Ñ√∂‚àö√ñ‚àö√´s.$
A.	0.03
B.	0.04
C.	0.05
D.	0.06
Answer» D. 0.06

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