Irrigation Engineering
The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

total rainfall
None of these
period of storm
direct runoff volume

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Irrigation Engineering
Lacy's regime condition is obtained if

Silt grade in the channel is variable
Channel flows in unlimited, incoherent alluvium of the same character as that transported material
Discharge in the channel is variable
Silt charge in the channel is variable

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Irrigation Engineering
Bligh's theory of seepage assumes

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

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