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 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 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 None of these Boundary mixer Sharpies centrifuge Propeller agitator None of these Boundary mixer Sharpies centrifuge Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Screw conveyor Pneumatic conveyor Belt conveyor Apron conveyor Screw conveyor Pneumatic conveyor Belt conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Filtration pressure rises suddenly Both A & B Cake becomes very dense Liquor stops flowing out to the discharge Filtration pressure rises suddenly Both A & B Cake becomes very dense Liquor stops flowing out to the discharge 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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