Irrigation Engineering
The uplift pressure on the face of a drainage gallery in a dam is taken as

None of these
two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
average of hydrostatic pressure at toe and heel
hydrostatic pressure at toe

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Irrigation Engineering
Lane's weighted creep theory assumes

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

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