Irrigation Engineering
Retrogression of the bed level of a river downstream a weir, occurs due to

Less percentage of silt
Increase of the bed level
Heavy impact of water
Soft soil strata

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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 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

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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
Hygroscopic water remains attached to soil molecules by chemical bond
All of these

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Irrigation Engineering
Infiltration rate is always

equal to or more than the infiltration capacity
equal to or less than the infiltration capacity
less than the infiltration capacity
more than the infiltration capacity

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