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
60 minutes
20 minutes
15 minutes

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

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