Irrigation Engineering
Pick up the correct statement from the following and answer

All of these
In a level crossing, a cross regulator is provided on the canal below the crossing
In a level crossing, a crest with its top at the canal F.S.L. is provided across the drainage at its up-stream junction with canal
In a level crossing a regulator is provided across the drainage at its down-stream

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Irrigation Engineering
Effective precipitation for a crop may be defined as

Total precipitation minus the loss due to infiltration
Available water stored in soil within root zone of the crop
Total precipitation minus the loss due to evaporation
Total precipitation during the crop period

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