Length/diameter ratio of a ball mill is __________________ ?
Length/diameter ratio of a ball mill is __________________ ?
A. 1.5
B. 1
C. < 1
D. > 1
Similar Posts
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_______________?
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.For the transportation of ultrafine particles, the equipment used is a ____________ conveyor?
For the transportation of ultrafine particles, the equipment used is a ____________ conveyor?A. Belt
B. Pneumatic
C. Screw
D. None of theseAccording to Bond crushing law, the work required to form particle of size ‘D’ from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively) ?
According to Bond crushing law, the work required to form particle of size ‘D’ from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively) ?A. (S/V)p
B. √(S/V)p
C. (S/V)2p
D. (S/V)f_____________________ baffles are provided in ball mills ?
_____________________ baffles are provided in ball mills ?A. Horizontal
B. No
C. Only two
D. None of theseThe reduction ratio for fine grinders is_____________?
The reduction ratio for fine grinders is_____________?A. 5-10
B. 10-20
C. 20-40
D. As high as 100Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?
Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?A. Filtering
B. Washing
C. Drying
D. All A., B. & C.