its acidity Its alkalinity Both acidity and alkalinity None of the above
Answer Discuss in Comment
400 to 2000 liters per hour per m2 100 to 200 liters per hour per m2 40 to 80 liters per hour per m2 3000 to 6000 liters per hour per m2
Rectangular Egg-shaped Parabolic Circular
Non-uniform flow Streamline flow Steady flow Turbulent flow
Conjugate depth Afflux curve Hydraulic gradient line Total energy line
N=(1+e)/e N=e+1/e E=n/(1+n) N=e/(1+e)
Gravels Silts Sands Clays
Maximum hydraulic gradient Critical hydraulic gradient Zero hydraulic gradient None of the above
Directly proportional to hydraulic gradient Inversely proportional to hydraulic gradient Equal to hydraulic gradient None of the above
Depth less than 0.6m Depth less than its width Depth less than 1.0m None of the above
"Scientists dream about doing great things. Engineers do them."
