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Irrigation - Engineering

Q1:

The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept

A 0.20 m

B 1.20 m

C 2.20 m

D 3.20 m

E 4.90 m

ANS:B - 1.20 m

The above answer of 1.20m is without excluder. If an excluder is present in the canal, then the crest of scouring sluice should be kept at 1.8 m below the crest of the head regulator.