Irrigation Engineering Solution of Laplacian equation in three dimensions d²φ/dx² + d²φ/dy² + d²φ/dz² = 0 of water in a syphon, is done by Khosla's method Analytical method Method of relaxation Unwin's method Khosla's method Analytical method Method of relaxation Unwin's method ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Pick up the correct sequence of the part of a canal system from the following Head works-main canal-branch canal-minor-distributary Head works-main canal-branch canal-distributary-minor Heads works-branch canal-main canal distributary, minor Head work-distributary-branch canal-minor Head works-main canal-branch canal-minor-distributary Head works-main canal-branch canal-distributary-minor Heads works-branch canal-main canal distributary, minor Head work-distributary-branch canal-minor ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after 200 years 250 years 50 years 150 years 200 years 250 years 50 years 150 years ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In a concrete canal the approximate permissible velocity of water should not exceed 1 m/sec 2 m/sec 1.5 m/sec 0.5 m/sec 1 m/sec 2 m/sec 1.5 m/sec 0.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1/(1-0.9°10) 1/(1+ 0.9010) 1 – (0.9)°l0 1 + (0.9)010 1/(1-0.9°10) 1/(1+ 0.9010) 1 – (0.9)°l0 1 + (0.9)010 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In case of a trapezoidal notch fall Top length of the piers should not be less than their thickness Splay downstream from the notch section is 22½° All listed here Splay upstream from the notch section is 45° Top length of the piers should not be less than their thickness Splay downstream from the notch section is 22½° All listed here Splay upstream from the notch section is 45° ANSWER DOWNLOAD EXAMIANS APP
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