Agriculture MCQs

Page No. 170

The discharge carrying capacity of an irrigation channel depends upon ____________________?


aSilt grade, charge and slope

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bChannel dimensions

✓


cSediment size

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dSilt amount and bed slope

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View Answer Channel dimensions

The stability analysis of earth dam founded on cohesion less silt material be made against_____________________?


aShear

✓


bTurning

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cSinking

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dBuckling

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View Answer Shear

The lower limit of factor of safety against over turning in a gravity is _______________________?


a1.3

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b1.4

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c1.5

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d1.6

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View Answer 1.5

the ratio between the rate of change of discharge of the out let to the rate of change of discharge of the distributary is called ______________________?


aProportionally

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bflexibility

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cSensitivity

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dflow ability

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View Answer flexibility

According to Khosla’s theory of seepage, the Exit gradient depends upon ____________________?


awidth /depth ratio

✓


bdepth /width ratio

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clength /depth ratio

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ddepth /length ratio

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View Answer width /depth ratio

A fixed reference point from which the discharge of flowing water is measured is________________?


aReduce level

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bBench mark

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cContour point

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dReference point

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View Answer Bench mark

A well penetrated in ground water confined between impervious layer at its top and bottom is called __________________?


aNon-artesian

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bArtesian well

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cPerched

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dUn-confined

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View Answer Artesian well

The unit of volume of water used in irrigation practice in FPS system is Acre-Foot. there fore one Acre- Foot is equal to ___________________?


a40560ft3

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b41560ft3

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c43560 cubic feet

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d42560ft3

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View Answer 43560 cubic feet

The soil which are formed due to the weathering effects particularly by movement of water and are high permeable are called _________________?


aAlluvial soils

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bNon-Alluvial soils

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cImpervious soils

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dSemi-impervious soils

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View Answer Alluvial soils

That rain fall which is effectively consumed by the plants to meet its consumptive needs is called__________________?


aEffective rain fall

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bTotal rain fall

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cMonsoon rain fall

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dAll are correct

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View Answer Effective rain fall

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