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Irrigation - Engineering

Q1:

In a concrete canal the approximate permissible velocity of water should not exceed

A 0.5 m/sec

B 1 m/sec

C 1.5 m/sec

D 2 m/sec

E 2.5 m/sec

ANS:D - 2 m/sec

Boulder = 1.5,
Brunt clay tile = 1.8,
Cement concrete = 2 - 2.5,
Stone masonary = 1m/sec.