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Irrigation - Engineering

Q1:

Lane's weighted creep theory assumes

A equal weightage to horizontal and vertical creeps

B double weightage to horizontal creep and one weightage to vertical creep

C triple weightage to horizontal creep and one weightage to vertical creep

D triple weightage to vertical creep and one weightage to horizontal creep

E double weightage to vertical creep and one weightage to horizontal creep.

ANS:D - triple weightage to vertical creep and one weightage to horizontal creep

We know,
Horizontal factor=1/3 and vertical factor = 1,
Horizontal factor/vertical factor = 1/3,
Horizontal factor=1 and vertical factor=3. Therefore, D is correct.