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

A hyper-critical velocity meets a stream moving with a hyper-critical velocity
A hyper-critical velocity meets a stream moving with a sub-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
The flow-mass curve is graphical representation of

Discharge and time in chronological order
Discharge and percentage probability of flow being equaled or exceeded
Cumulative discharge, volume and time in chronological order
Cumulative discharge and time

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Irrigation Engineering
The intensity of irrigation means

Total depth of water supplied by the number of waterings
Percentage of gross commanded area to be irrigated annually
Percentage of culturable commanded area to be irrigated annually
Percentage of the mean of culturable commanded area and the gross commanded area to be irrigated annually

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