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


bSyphon – Aqueduct


cSuper-passage


dCanal-syphon


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


bLevel crossing


cCanal crossing


dDrainage crossing


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


bOut let


cModule


dExit


View Answer Out let

The total dissolved solids in drinking water should not exceed_________________?


a1000 mg/litre


b1200 mg/litre


c1300 mg/litre


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


bErodibility


cViscosity


dAll are correct


View Answer Erodibility

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


a2gd


bgd


cg2d


dgd2


View Answer 2gd

The aeration of water is done to remove _________________?


aOdour


bSmell


cColour


dTaste


View Answer Colour

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


a1 m / sec to 3m/ sec


b3 m / sec to 4m/ sec


c4 m / sec to 4.5m/ sec


d4.5 m / sec to 5m/ sec


View Answer 1 m / sec to 3m/ sec

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


aExcavation


bCavitations


cborrow pitting


dEarth filling


View Answer Excavation

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


aDisinfected


bInfected


cCleaned


dIodized


View Answer Disinfected

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