A 4 m wide rectangular channel, having bed slope of 0.001 carries a discharge of 16 m3 /s. Considering Manning's roughness coefficient = 0.012 and g = 10 m/s2 , the category of the channel slope is

A 4 m wide rectangular channel, having bed slope of 0.001 carries a di

1.	A 4 m wide rectangular channel, having bed slope of 0.001 carries a discharge of 16 m3 /s. Considering Manning's roughness coefficient = 0.012 and g = 10 m/s2 , the category of the channel slope is
A.	horizontal
B.	mild
C.	critical
D.	steep
Answer» C. critical

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A 4 m wide rectangular channel, having bed slope of 0.001 carries a discharge of 16 m3 /s. Considering Manning's roughness coefficient = 0.012 and g = 10 m/s2 , the category of the channel slope is

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