+1 vote
in Irrigation Engineering by (75.2k points)
Which lining is restricted to small canals and water-courses?

(a) Compacted earth lining

(b) Asphalt lining

(c) Sodium carbonate lining

(d) Stone lining

I had been asked this question in quiz.

I want to ask this question from Earth Type Linings in section Lining of Irrigation Canals and its Economics of Irrigation Engineering

1 Answer

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by (106k points)
Right option is (c) Sodium carbonate lining

Best explanation: Sodium carbonate lining is not very durable and it lasts only for about 3 to 4 years in ordinary cases. Hence it is restricted to small canals and watercourses. This consists of a layer of clayey soil and sodium carbonate.

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