Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by (0.99)10 1 – (0.99)10 (0.9)00 l-(0.9)100 (0.99)10 1 – (0.99)10 (0.9)00 l-(0.9)100 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase Water surface elevation during floods Rate of flood wave Surface slope of streams above the levied portion Maximum discharge Water surface elevation during floods Rate of flood wave Surface slope of streams above the levied portion Maximum discharge ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Process of meandering is due to Relative erodibility of the bed and banks All listed here Discharge and hydraulic properties of streams Sediment load of streams Relative erodibility of the bed and banks All listed here Discharge and hydraulic properties of streams Sediment load of streams ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is Q = 1.71 BD Q = 1.71 BD3/2 Q = 1/71 BD2/3 Q = 1.71 BD1/2 Q = 1.71 BD Q = 1.71 BD3/2 Q = 1/71 BD2/3 Q = 1.71 BD1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be 90 mm 50 mm 60 mm 140 mm 90 mm 50 mm 60 mm 140 mm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Cyclonic precipitation is caused by lifting of an air mass due to All of these temperature difference pressure difference natural topographical barriers All of these temperature difference pressure difference natural topographical barriers ANSWER DOWNLOAD EXAMIANS APP