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

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

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