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What is the maximum permissible velocity in Cement concrete lining (Unreinforced) as per Indian Standards?

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+1 vote
in Irrigation Engineering by (75.2k points)
What is the maximum permissible velocity in Cement concrete lining (Unreinforced) as per Indian Standards?

(a) 2 to 2.5 m/sec

(b) 1.5 to 2 m/sec

(c) 1.2 to 1.8 m/sec

(d) 1.5 to 2.5 m/sec

This question was addressed to me in an internship interview.

My question is from Channel Cross-sections topic in chapter Lining of Irrigation Canals and its Economics of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Right option is (a) 2 to 2.5 m/sec

For explanation I would say: The maximum permissible velocity for unreinforced cement concrete lining is 2.0 to 2.5 m/sec. For Boulder lining, the maximum permissible velocity is 1.5 m/sec.

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