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Irrigation Engineering

Irrigation Engineering
Which of the following canal outlets maintains a constant discharge ?

rigid module
None of these
flexible outlet
non-modular outlet

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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
1.25 D
1.75 D
1.50 D

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Irrigation Engineering
Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?

moving boat method
slope-area method
area-velocity method
ultra-sonic method

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Irrigation Engineering
Cross regulators in main canals are provided

To overflow excessive flow water
None of these
To increase water head upstream when a main canal is running with low supplies
To regulate water supply in the distributaries

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Irrigation Engineering
In Montague type fall

A parabolic glacis is provided
A circular glacis is provided
No glacis is provided
A straight glacis is provided

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Irrigation Engineering
The length and width of a meander and also the width of the river, vary roughly as

Discharge
Cube of the discharge
Square root of the discharge
Square of the discharge

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