Agriculture MCQs

Page No. 175

The meandering pattern of a river is developed by ____________________?


aAverage discharge

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bDominant discharge

✓


cMaximum discharge

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dCritical discharge

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View Answer Dominant discharge

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


aPiping

✓


bCrushing

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cSliding

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dAll of the above

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View Answer Piping

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


a80%

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b60%

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c40%

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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

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cWater mixing

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dAll are correct

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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

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cDesalinizaation

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dAll are correct

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View Answer Amalgamation

A hydraulic jump to dissipate energy when flow is __________________?


aCritical flow

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bShooting flow

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cStreaming flow

✓


dTurbulent flow

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View Answer Streaming flow

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


aNormal depth

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bCritical depth

✓


cFull supply depth

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dNone of these

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View Answer Critical depth

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


aTwice of its width

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bEqual to its width

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cHalf of its width

✓


dOne-third of its width

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View Answer Half of its width

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


aC (mi) 1/2

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bA (cmi)1/2

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cAc√R.S

✓


dA (c.A/pi) 1/2

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View Answer Ac√R.S

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


ad/2

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bd/3

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cd/4

✓


dd/6

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View Answer d/4

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