GATE2016-1-47

Question

A $4$ m wide rectangular channel, having bed slope of $0.001$ carries a discharge of $16 \: m^3/s$. Considering Manning’s roughness coefficient $=0.012$ and $g=10 \: m/s^2$, the category of the channel slope is

• A. horizontal
• B. mild
• C. critical
• D. steep