Irrigation Engineering
The uplift pressure on the roof of an inverted syphon, is maximum when

Drain is running with H.F.L.
Drain in running dry
Canal is running with F.S.L.
Canal is running dry

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Irrigation Engineering
Pick up the correct sequence of the part of a canal system from the following

Heads works-branch canal-main canal distributary, minor
Head works-main canal-branch canal-distributary-minor
Head works-main canal-branch canal-minor-distributary
Head work-distributary-branch canal-minor

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