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The outlet discharge is maintained constant and it is not at all dependent on the water levels in the parent and the field channels in _________________

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in Irrigation Engineering by (75.2k points)
The outlet discharge is maintained constant and it is not at all dependent on the water levels in the parent and the field channels in _________________

(a) non-modular outlet

(b) modular outlet

(c) semi-modular outlet

(d) proportional outlet

This question was addressed to me in an online quiz.

This key question is from Types of Rigid Modules and Cattle Crossings in chapter Regulation Modules and Canal Structure of Irrigation Engineering

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by (106k points)
Right option is (b) modular outlet

For explanation: A non-modular outlet is the one in which discharge is directly dependent on the working head. In the semi-modular outlet, the discharge is directly dependent on the water level in the parent channel. A proportional module is a type of semi-module.

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