Irrigation Engineering Solution of Laplacian equation in three dimensions d²φ/dx² + d²φ/dy² + d²φ/dz² = 0 of water in a syphon, is done by Method of relaxation Analytical method Unwin's method Khosla's method Method of relaxation Analytical method Unwin's method Khosla's method 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 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 Q = 1/71 BD2/3 Q = 1.71 BD1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Khosla, the exits gradient of surface flow Is independent of the b/d ratio Is independent of the depths of d/s cut off walls Depends upon the b/d ratio None of these Is independent of the b/d ratio Is independent of the depths of d/s cut off walls Depends upon the b/d ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not 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 A deficit of sediments in flowing water may cause a river Sub-critical type Meandering type Degrading type Aggrading type Sub-critical type Meandering type Degrading type Aggrading type ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to gravity dams, earthen dams are costlier are less susceptible to failure require sound rock foundations require less skilled labour are costlier are less susceptible to failure require sound rock foundations require less skilled labour ANSWER DOWNLOAD EXAMIANS APP
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