Mechanical Operations 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? Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a Boundary mixer None of these Propeller agitator Sharpies centrifuge Boundary mixer None of these Propeller agitator Sharpies centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Screw conveyor Belt conveyor Apron conveyor Pneumatic conveyor Screw conveyor Belt conveyor Apron conveyor Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Both A & B Liquor stops flowing out to the discharge Cake becomes very dense Filtration pressure rises suddenly Both A & B Liquor stops flowing out to the discharge Cake becomes very dense Filtration pressure rises suddenly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Vacuum filter Centrifugal filter Coagulant Pressure filter Vacuum filter Centrifugal filter Coagulant Pressure filter ANSWER DOWNLOAD EXAMIANS APP
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