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Irrigation Engineering

Irrigation Engineering
Which of the following types of falls use parabolic glacis for energy dissipation ?

glacis fall
Montague type fall
inglis fall
vertical drop fall

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

0.5 m/sec
2 m/sec
1.5 m/sec
1 m/sec

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Irrigation Engineering
Process of meandering is due to

Sediment load of streams
All listed here
Discharge and hydraulic properties of streams
Relative erodibility of the bed and banks

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Irrigation Engineering
For a unique design of a channel by Kennedy's theory

Its breadth must only be known
Its depth must only be known
All of these
Its breadth and depth ratio must only be known

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Irrigation Engineering
The ratio of the rate of change of discharge of an outlet and parent channel, is known as

Flexibility
Modular limit
Efficiency
Sensitivity

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Irrigation Engineering
If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by

B = 0.44 √(H + d)
B = 0.55 √(H + d)
B = 0.22 √(H + d)
B = 0.33 √(H + d)

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