Irrigation Engineering
The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by

(0.99)10
l-(0.9)100
(0.9)00
1 – (0.99)10

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Irrigation Engineering
Pick up the correct statement from the following sentence

All of these
The escapes are aligned to take advantage of contours of lower values
The escapes must lead the surplus water to natural drainages
Escapes are essential safety valves in a canal system

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