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

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

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Irrigation Engineering
Lane's weighted creep theory assumes

Equal weightage to horizontal and vertical creeps
Triple weightage to vertical creep and one weightage to horizontal creep
Triple weightage to horizontal creep and one weightage to vertical creep
Double weightage to horizontal creep and one weightage to vertical creep

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