Agriculture MCQs

Page No. 167

The water level required on the upstream side of a canal head regulator, so as to feed the off-taking canal with its full supply is called_________________?


aHFL


bFSL


cPond level


dCanal level


View Answer Pond level

The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?


aAfflux


bHydraulic jump


cPond level


dHFL


View Answer Hydraulic jump

When the weight of weir balances the up lift pressure caused by the head of the water seeping below the weir bed is called ___________________?


aCippollite weir


bBroad crested weir


cGravity weir


dNon-gravity weir


View Answer Gravity weir

The groyne pointing downwards in the direction of flow in fiver is called________________?


aPermeable


bImpermeable


cAttracting


dRepelling


View Answer Attracting

In alluvial river due to the action of centrifugal force, bends are developed by scouring on concave and silting on convex _____________________?


aSilting & scouring


bMeandering


cAggrading


dDegrading


View Answer Silting & scouring

If in a river the flood rises and falls suddenly due to storm rain, then such river is called __________________?


aVirgin


bTidal


cFlashy


dDeltaic


View Answer Flashy

A river which does not change its alignment – slope and its regime significantly is called________________?


aAggrading river


bDegrading river


cStable river


dDeltaic river


View Answer Stable river

The area irrigated in the year and it grows crops on which water rates are leveled is called____________________?


aArea Assessed


bArea leased


cArea irrigated


dArea cultivated


View Answer Area Assessed

The floods which exceeds the designed magnitude of a reservoir is called _______________________?


aHigh flood


bStandard protects flood


cIntensive flood


dStorm flood



A unit hydrograph is a hydrograph of runoff produced by a rainstorm of a specified duration called ____________________?


aUnit duration


bPeak runoff


cStorm runoff


dBase flow


View Answer Unit duration

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