Chemical Engineering MCQs

6108 MCQs  (Page 232 of 611)

Attempt Chemical Engineering Quiz
Which of the following is a fine crusher ?
A. Blake jaw crusher
B. Gyratory crusher
C. Toothed roll crusher
D. Dodge jaw crusher
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Maximum size reduction in a ball mill is done by the, ______________ action?
A. Attrition
B. Compression
C. Impact
D. Cutting
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The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?
A. Df/dp
B. Dp/df
C. Df – dp
D. None of these
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Sphericity of pulverised coal is__________________?
A. 1
B. < 1
C. > 1
D. ∞
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Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?
A. Drag
B. Ribbon
C. Screw
D. Slat
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There is practically no alternative/competitor to _________________ in the beneficiation treatment of sulphide ores?
A. Classification
B. Tabling
C. Jigging
D. Froth floatation
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With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge________________?
A. Increases
B. Decreases
C. Remains constant
D. Increases linearly
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Which of the following clay mixing devices is vacuum operated for deairation of clay ?
A. Banbury mixer
B. Pug mill
C. Muller-mixer
D. None of these
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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?
A. Plane
B. Curved
C. Ribbed
D. Either a. or b.
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In classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?
A. Different fluids
B. Same fluid
C. Same field of force
D. Both b. and c.
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Word of the Day
27 Jul
Widen
make or become wider.
چوڑا ہونا، کشادہ کرنے کا عمل

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