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

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

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Irrigation Engineering
A divide wall is provided

At an inclination to the axis of weir
At right angle to the axis of weir
Parallel to the axis of weir and upstream of it
Parallel to the axis of weir and downstream of it

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Irrigation Engineering
The flow-mass curve is graphical representation of

Discharge and time in chronological order
Cumulative discharge and time
Cumulative discharge, volume and time in chronological order
Discharge and percentage probability of flow being equaled or exceeded

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