Irrigation Engineering
The water face of the guide banks, is protected by

Three man stone pitching
One men stone pitching
Four man stone pitching
Two man stone pitching

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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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Irrigation Engineering
A divide wall is provided

At an inclination to the axis of weir
Parallel to the axis of weir and downstream of it
Parallel to the axis of weir and upstream of it
At right angle to the axis of weir

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