Irrigation Engineering
As per Lacey’s theory, the silt factor is

directly proportional to square root of average particle size
inversely proportional to average par¬ticle size
directly proportional to average par¬ticle size
not related to average particle size

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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
Aggrading type if it builds up its bed to a certain slope
Meandering type if it flows in sinuous curve

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