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 Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension 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? Belt conveyor Screw conveyor Pneumatic conveyor Apron conveyor Belt conveyor Screw conveyor Pneumatic conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Cake becomes very dense Both A & B Liquor stops flowing out to the discharge Filtration pressure rises suddenly Cake becomes very dense Both A & B Liquor stops flowing out to the discharge Filtration pressure rises suddenly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Centrifugal filter Pressure filter Coagulant Vacuum filter Centrifugal filter Pressure filter Coagulant Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
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