Lining of irrigation canals provides the following primary benefit:
Choose the correct answer
Increases water velocity beyond permissible limits
Reduces seepage losses, prevents waterlogging, allows steeper side slopes and smaller sections
Eliminates need for maintenance
Increases silt load in canal water
Correct Answer
B. Reduces seepage losses, prevents waterlogging, allows steeper side slopes and smaller sections
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Canal lining (concrete, stone masonry, brick, or pre-cast) reduces seepage by 60-90%, prevents waterlogging of adjacent lands, allows higher velocities (reduces section size), increases canal life, and reduces maintenance cost.
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