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