Irrigation Engineering
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at

same level
lower level
higher level
any of the above depending on the design

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Irrigation Engineering
Lane's weighted creep theory assumes

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

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Irrigation Engineering
Infiltration rate is always

more than the infiltration capacity
equal to or more than the infiltration capacity
less than the infiltration capacity
equal to or less than the infiltration capacity

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