Irrigation Engineering
In gravity canals, F.S.L. is

Only a few cm above the ground level
Generally 4 to 5 metres above the ground level
Always below the ground level
Always at the ground level

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

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Irrigation Engineering
Which one of the following statements is correct?

The canal system and the drainage system are complementary
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

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