Irrigation Engineering If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be 30 minutes 20 minutes 15 minutes 60 minutes 30 minutes 20 minutes 15 minutes 60 minutes ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is (1/200) × (B + d)2/3 (1/100) × (B + d)2/3 (1/50) × (B + d)2/3 (1/150) × (B + d)2/3 (1/200) × (B + d)2/3 (1/100) × (B + d)2/3 (1/50) × (B + d)2/3 (1/150) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. doesnot touch the underside of the supporting structure, the structure so provided, is called Aqueduct Syphon-aqueduct Super passage Syphon Aqueduct Syphon-aqueduct Super passage Syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to gravity dams, earthen dams require less skilled labour require sound rock foundations are costlier are less susceptible to failure require less skilled labour require sound rock foundations are costlier are less susceptible to failure ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Seepage through embankments in an earthen dam is controlled by provision of downstream berms drainage filters relief wells drain trenches provision of downstream berms drainage filters relief wells drain trenches ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Solution of Laplacian equation in three dimensions d²φ/dx² + d²φ/dy² + d²φ/dz² = 0 of water in a syphon, is done by Analytical method Unwin's method Method of relaxation Khosla's method Analytical method Unwin's method Method of relaxation Khosla's method ANSWER DOWNLOAD EXAMIANS APP
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