_____________________ baffles are provided in ball mills ?
_____________________ baffles are provided in ball mills ?
A. Horizontal
B. No
C. Only two
D. None of these
Similar Posts
Mixer used for rubber compounding is__________________?
Mixer used for rubber compounding is__________________?A. mixer-extruder
B. Banbury internal mixer
C. Muller mixer
D. Pug millScreen efficiency is______________________?
Screen efficiency is______________________?A. Recovery/rejection
B. Recovery
C. Rejection
D. None of theseCyclones are used primarily for separating_________________?
Cyclones are used primarily for separating_________________?A. Solids
B. Solids from fluids
C. Liquids
D. Solids from solidsActual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed ?
Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed ?A. Wet grinding in low viscous suspension
B. Wet grinding in high viscous suspension
C. Dry grinding of large particles (upto 1.25 cms)
D. Dry grinding of large particles in un-baffed millsGeneral mechanism of size reduction in intermediate and fine grinder is by __________________?
General mechanism of size reduction in intermediate and fine grinder is by __________________?A. Cutting action
B. Compression
C. Compression and tearing
D. Impact and attritionSpecific surface area is the surface area of a unit _______________ of materials?
Specific surface area is the surface area of a unit _______________ of materials?A. Weight
B. Volume
C. Either A. or B.
D. Neither A. nor B.