Irrigation Engineering The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by 15 RS 7RS 11RS 4RS 15 RS 7RS 11RS 4RS 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 = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.44 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.44 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For standing crops in undulating sandy fields, the best method of irrigation, is Furrow method Sprinkler irrigation Free flooding Check method Furrow method Sprinkler irrigation Free flooding Check method ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Silt is kept in suspension by vertical components of eddies Neither (a) nor (b) Entire cross-section of the channel is generated at all points by the forces normal to the Both (a) and (b) Silt is kept in suspension by vertical components of eddies Neither (a) nor (b) Entire cross-section of the channel is generated at all points by the forces normal to the Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The measure to remove water logging of land, is To reduce percolation from canals and water courses Both (a) and (b) To increase outflow from the ground water reservoir Neither (a) nor (b) To reduce percolation from canals and water courses Both (a) and (b) To increase outflow from the ground water reservoir Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be 55 cm 50 cm 56 cm 60 cm 55 cm 50 cm 56 cm 60 cm ANSWER DOWNLOAD EXAMIANS APP