Chemical Engineering MCQs

6108 MCQs  (Page 258 of 611)

Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them ?
A. Jaw crusher, ball mill, fluid energy mill
B. Ball mill, jaw crusher, fluid energy mill
C. Fluid energy mill, jaw crusher, ball mill
D. Fluid energy mill, ball mill, jaw crusher
Choke crushing (in case of a Jaw crusher) compared to free crushing__________________?
A. Results in increased capacity
B. Consumes less power
C. Consumes more power
D. Both a. and c.
As the product becomes finer, the energy required for grinding___________________?
A. Decreases
B. Increases
C. Is same as for coarser grinding
D. Is 1.5 times that for coarser grinding
To produce talcum powder, use_____________________?
A. Ball mill
B. Hammer mill
C. Jet mill
D. Pin mill