Irrigation Engineering
A hydraulic jump is generally formed when a stream moving with

A hyper-critical velocity meets a stream moving with a sub-critical velocity
A hyper-critical velocity meets a stream moving with a hyper-critical velocity
A sub-critical velocity meets a stream moving with a hyper-critical velocity
A hyper-critical velocity meets a stream moving with a critical velocity

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Irrigation Engineering
Lane's weighted creep theory assumes

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

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