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
Pick up the correct statement from the following mention

Hygroscopic water remains attached to soil molecules by chemical bond
All of these
Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants
Gravity water is harmful to crops

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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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Irrigation Engineering
For designing the venturi head,

All listed here
Minimum throat width should not be less than 60 cm
Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal
Width of the throat should not be less than one-third of the bed width of main canal

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