Irrigation Engineering
Pick up the correct statement from the following sentence

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

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Irrigation Engineering
Lacy's regime condition is obtained if

Silt grade in the channel is variable
Discharge in the channel is variable
Silt charge in the channel is variable
Channel flows in unlimited, incoherent alluvium of the same character as that transported material

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