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 20 m3/sec 30 m3/sec 35 m3/sec 25 m3/sec 20 m3/sec 30 m3/sec 35 m3/sec 25 m3/sec 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 BD1/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD3/2 Q = 1.71 BD1/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD3/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Groynes are generally built Perpendicular to the bank Inclined up stream up to 30° Inclined downstream up to 30° All listed here Perpendicular to the bank Inclined up stream up to 30° Inclined downstream up to 30° All listed here ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called soil moisture deficiency equivalent moisture pellicular water hygroscopic water soil moisture deficiency equivalent moisture pellicular water hygroscopic water ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Finally formed berms in canals are provided for Protection of banks erosion by the waves All of these Strengthening of banks Control of seepage losses Protection of banks erosion by the waves All of these Strengthening of banks Control of seepage losses ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between Over 60 cumecs Over 100 cumecs 30 to 60 cumecs 30 to 33 cumecs Over 60 cumecs Over 100 cumecs 30 to 60 cumecs 30 to 33 cumecs ANSWER DOWNLOAD EXAMIANS APP