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.Management Sciences
A. Operate at higher speed
B. Employ bowl of larger diameter
C. Can’t be operated under pressure/vacuum
D. Can’t be used for separation of fine suspended solids from a liquid
Related Mcqs:
- Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for__________________?
- A. British standard screens B. German standard screens (DIN 1171) etc C. American standard screens (ASTM and Tyler standard screens) D. All A., B. and C....
- Size reduction of ice and gypsum can be accomplished suitably by a _______________ crusher?
- A. Blake jaw B. Toothed roll C. Gyratory D. None of these...
- Maximum size reduction in a ball mill is done by the, ______________ action?
- A. Attrition B. Compression C. Impact D. Cutting...
- Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is_______________?
- A. Added to the feed slurry B. Pre-coated on the filter medium prior to filtration C. Separated from the cake by dissolving solids or by burning it off D. All A, B. & C....
- The most common filter aid is_________________?
- A. Diatomaceous earth B. Calcium silicate C. Sodium carbonate D. Silica gel...
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