Irrigation Engineering
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at

lower level
any of the above depending on the design
same level
higher level

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Irrigation Engineering
Which one of the following statements is correct?

All listed here
The canal system runs on ridges, gets divided into smaller channels and spreads its water on the land
The drainage system runs along the lowest line, collects drainage water from the slopes and joins the main stream
The canal system and the drainage system are complementary

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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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