Irrigation Engineering
Groynes are generally built

All listed here
Perpendicular to the bank
Inclined downstream up to 30°
Inclined up stream up to 30°

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Irrigation Engineering
Bligh's theory of seepage assumes

Less weightage to horizontal creep than vertical creep
Loss of head follows the sine curve
More weightage to horizontal creep than vertical creep
Equal weightage to the horizontal and vertical creep

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Irrigation Engineering
A river is said to be of

Degrading type if it cuts its bed to a certain slope
All of these
Meandering type if it flows in sinuous curve
Aggrading type if it builds up its bed to a certain slope

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Irrigation Engineering
The intensity of irrigation means

Percentage of culturable commanded area to be irrigated annually
Percentage of gross commanded area to be irrigated annually
Total depth of water supplied by the number of waterings
Percentage of the mean of culturable commanded area and the gross commanded area to be irrigated annually

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