Irrigation Engineering
An outlet which maintains a constant discharge irrespective of fluctuation in the water levels of the supplying channel or water course, is known as

Non-modular outlet
Semi-modular outlet
Flexible modular outlet
Right modular outlet

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Irrigation Engineering
A counter berm is

A horizontal benching provided on the outside slope
A horizontal benching provided on the inside slope
A vertical benching provided on the inner edge of the bank
A vertical benching provided on the outer edge of the bank

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Irrigation Engineering
The flow-mass curve is graphical representation of

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

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