semi-elliptical channel a trapezoidal channel with side slope a semi-circular channel a trapezoidal channel with side slope
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directly proportional to average particle size inversely proportional to average particle size directly proportional to square root of average particle size not related to average particle size
2 D 1.2 D 2.5 D 1.5 D
demand cannot be met by inflow reservoir was not full at the beginning both (a) and (b) none of the above
the greatest rainfall for a given duration that is physically possible the rainfall of a given duration with maximum probability of occurrence the rainfall for a given duration that is impossible to occur none of the above
true regime permanent regime final regime none of above
canal is dry and drain is at high flood level both the canal and the drain run full canal runs full, drain is dry but the water-table is at stream bed canal runs dry and the drain also runs
evaporation transpiration stream flow All of the above
largest in regions of high rainfall largest in coastal areas largest in regions of scanty rainfall None of the above
constructing cutoff under upstream face constructing drainage channels between the dam and its foundation by pressure grouting in foundation All of the above
"Scientists dream about doing great things. Engineers do them."
