Chemical Engineering MCQs

Page No. 602

What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?


a16°


b32°


c40°


d46°


View Answer 32°

Supporting legs of a plate and frame filter is normally made of________________?


aStainless steel


bCast iron


cHigh speed steel


dWooden plank


View Answer Cast iron

Highly viscous liquids & pastes are agitated by________________?


aPropellers


bTurbine agitators


cMultiple blade paddles


dNone of these



Which of the following is not an industrial screening equipment ?


aSharpies centrifuge


bVibrating screen


cGrizzly


dTrommel


View Answer Sharpies centrifuge

Which of the following mineral dressing operations is termed as ‘comminution’?


aPanning


bSpiralling


cTabling


dNone of these


View Answer None of these

200 mesh sieve size corresponds to _____________ microns?


a24


b74


c154


d200


View Answer 74

Which of the following is a pressure filter ?


aLeaf filter (Moore filter)


bPlate and flame filter


cRotary drum filter


dSand filter



Which of the following is not used as a filter medium in case of corrosive liquids?


aNylon


bGlass cloth


cMetal cloth of monel or stainless steel


dCotton fabric


View Answer Cotton fabric

The main size reduction operation in ultrafine grinders is_____________?


aCutting


bAttrition


cCompression


dImpact


View Answer Attrition

Mixing of plastic solids is generally facilitated by___________________?


aDispersion


bMastication


cKneading


dNone of these


View Answer Kneading

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