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+ 0.9010)
1 + (0.9)010
1 – (0.9)°l0
1/(1-0.9°10)

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Irrigation Engineering
A river is said to be of

All of these
Meandering type if it flows in sinuous curve
Aggrading type if it builds up its bed to a certain slope
Degrading type if it cuts its bed to a certain slope

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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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