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? Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in low 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 Propeller agitator None of these Sharpies centrifuge Boundary mixer Propeller agitator None of these Sharpies centrifuge Boundary mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Screw conveyor Pneumatic conveyor Apron conveyor Belt conveyor Screw conveyor Pneumatic conveyor Apron conveyor Belt 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 Coagulant Pressure filter Centrifugal filter Vacuum filter Coagulant Pressure filter Centrifugal filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
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