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Irrigation Engineering

Irrigation Engineering
For a proportional outlet, the flexibility is

greater than 1
zero
between zero and 1
1

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Irrigation Engineering
The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are

Parallel to weir crest in both
Parallel and at right angle to weir crest
At right angle and parallel to weir crest
At right angle to weir crest in both

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Irrigation Engineering
According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is

2.00 D
1.75 D
1.25 D
1.50 D

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Irrigation Engineering
A river training work is generally required when the river is

Degrading
All of these
Meandering
Aggrading

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Irrigation Engineering
The difference in level between the top of a bank and supply level in a canal, is called

Free board
Height of bank
Berm
None of these

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Irrigation Engineering
Silt excluders are constructed on the

canal bed upstream of head regulator
river bed upstream of head regulator
river bed downstream of head regulator
canal bed downstream of head regulator

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