Irrigation Engineering
If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

PLC/1000
PC/100L
PL/1000C
100 PLC

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Irrigation Engineering
Bligh's theory of seepage assumes

More weightage to horizontal creep than vertical creep
Loss of head follows the sine curve
Equal weightage to the horizontal and vertical creep
Less weightage to horizontal creep than 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
Aggrading type if it builds up its bed to a certain slope
Meandering type if it flows in sinuous curve

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