Chemical Engineering MCQs

Page No. 616

Wheat is ground into flour in a___________________?


aHammer crusher


bRoller crusher


cImpact mill


dFluid energy mill


View Answer Roller crusher

Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a__________________?


aPug mill


bMixer-extruder


cBanbury mixer


dMuller mixer


View Answer Pug mill

Fluid energy mill comes in the category of________________?


aGrinder


bCrusher


cCutter


dUltrafine grinder


View Answer Ultrafine grinder

Which of the following is used for primary crushing of very hard lumpy materials ?


aToothed roll crusher


bGyratory crusher


cBall mill


dTube mill


View Answer Gyratory crusher

Dry powdery solid materials are transported by a ______________ conveyor?


aBelt


bBucket


cScrew


dNone of these


View Answer Screw

Which is the most suitable conveyor for transportation of sticky material ?


aApron conveyor


bBelt conveyor


cScrew conveyor


dPneumatic conveyor


View Answer Screw conveyor

In classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?


aDifferent fluids


bSame fluid


cSame field of force


dBoth B. and C.


View Answer Both B. and C.

Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a _______________ surface?


aPlane


bCurved


cRibbed


dEither A. or B.


View Answer Ribbed

Which of the following clay mixing devices is vacuum operated for deairation of clay ?


aBanbury mixer


bPug mill


cMuller-mixer


dNone of these


View Answer Pug mill

With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge________________?


aIncreases


bDecreases


cRemains constant


dIncreases linearly


View Answer Increases

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