Agriculture MCQs

Page No. 175

The meandering pattern of a river is developed by ____________________?


aAverage discharge


bDominant discharge


cMaximum discharge


dCritical discharge


View Answer Dominant discharge

The hydraulic structures like dams, barrages constructed on permeable foundations are likely to fail due to ___________________?


aPiping


bCrushing


cSliding


dAll of the above


View Answer Piping

Presently percentage of area irrigation to that of total cultivated area in our country is __________________?


a80%


b60%


c40%


d27%


View Answer 27%

Art of making saline water fit for irrigation and drinking through the processes of membrane technique and reverse osmosis is called ___________________?


aDesalinization


bWater application


cWater mixing


dAll are correct


View Answer Desalinization

Art of mixing saline water with fresh water in accordance with some ratio for irrigation purpose is called _________________?


aAmalgamation


bMixing of water


cDesalinizaation


dAll are correct


View Answer Amalgamation

A hydraulic jump to dissipate energy when flow is __________________?


aCritical flow


bShooting flow


cStreaming flow


dTurbulent flow


View Answer Streaming flow

The depth of water in a channel, corresponding to minimum specific energy is called ________________?


aNormal depth


bCritical depth


cFull supply depth


dNone of these


View Answer Critical depth

The discharge through a rectangular channel will be maximum. if its depth is_______________?


aTwice of its width


bEqual to its width


cHalf of its width


dOne-third of its width


View Answer Half of its width

According to Chezy’s formula, the discharge through an open channel is equal to _________________?


aC (mi) 1/2


bA (cmi)1/2


cAc√R.S


dA (c.A/pi) 1/2


View Answer Ac√R.S

The hydraulic mean depth for a circular pipe of diameter d is ____________________?


ad/2


bd/3


cd/4


dd/6


View Answer d/4

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