Irrigation Engineering Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be 91m 15m 19m 38m 91m 15m 19m 38m ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be 35 m3/sec 25 m3/sec 30 m3/sec 20 m3/sec 35 m3/sec 25 m3/sec 30 m3/sec 20 m3/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the Both (a) and (b) Neither (a) nor (b) Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the Both (a) and (b) Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by B = 0.33 √(H + d) B = 0.44 √(H + d) B = 0.22 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.44 √(H + d) B = 0.22 √(H + d) B = 0.55 √(H + d) 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 BD2/3 Q = 1.71 BD1/2 Q = 1.71 BD3/2 Q = 1.71 BD Q = 1/71 BD2/3 Q = 1.71 BD1/2 Q = 1.71 BD3/2 Q = 1.71 BD ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to gravity dams, earthen dams are less susceptible to failure are costlier require sound rock foundations require less skilled labour are less susceptible to failure are costlier require sound rock foundations require less skilled labour ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS