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 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 Wet grinding in low 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 None of these Sharpies centrifuge Boundary mixer Propeller agitator None of these Sharpies centrifuge Boundary mixer Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Pneumatic conveyor Apron conveyor Screw conveyor Belt conveyor Pneumatic conveyor Apron conveyor Screw conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Filtration pressure rises suddenly Cake becomes very dense Liquor stops flowing out to the discharge Both A & B Filtration pressure rises suddenly Cake becomes very dense Liquor stops flowing out to the discharge Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Vacuum filter Pressure filter Coagulant Centrifugal filter Vacuum filter Pressure filter Coagulant Centrifugal filter ANSWER DOWNLOAD EXAMIANS APP
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