Agriculture MCQs

Page No. 164

When FSL of the canal is sufficiently below the bottom of the drain, so that water flows freely under gravity, such structures is called_____________________?


aSyphon

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bSyphon – Aqueduct

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cSuper-passage

✓


dCanal-syphon

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View Answer Super-passage

A structure provided when a large canal a big drainage channel approach other practically at the same level is called__________________?


aSuper passage

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bLevel crossing

✓


cCanal crossing

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dDrainage crossing

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View Answer Level crossing

An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called _____________________?


aInlet

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bOut let

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cModule

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dExit

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View Answer Out let

The total dissolved solids in drinking water should not exceed_________________?


a1000 mg/litre

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b1200 mg/litre

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c1300 mg/litre

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d1500 mg/litre

✓


View Answer 1500 mg/litre

On relative basis, when one soil is eroded as compared to other soil under same conditions, this property is called __________________?


aCompact ability

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bErodibility

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cViscosity

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dAll are correct

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View Answer Erodibility

Darcy formula for loss of head in pipes is given by, hf=4fl v2 / __________________?


a2gd

✓


bgd

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cg2d

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dgd2

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View Answer 2gd

The aeration of water is done to remove _________________?


aOdour

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bSmell

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cColour

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dTaste

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View Answer Colour

Velocity of flow in a sewer must be form ______________ to ?


a1 m / sec to 3m/ sec

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b3 m / sec to 4m/ sec

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c4 m / sec to 4.5m/ sec

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d4.5 m / sec to 5m/ sec

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View Answer 1 m / sec to 3m/ sec

A digging out of earth to make trench for any engineering purpose is called ______________________?


aExcavation

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bCavitations

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cborrow pitting

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dEarth filling

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View Answer Excavation

The water in swimming pools can be ____________ by using any one from the following, chlorine-ultraviolet rays and bromine t ?


aDisinfected

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bInfected

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cCleaned

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dIodized

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View Answer Disinfected

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