Mechanical Operations Solid particles of different densities are separated by Cyclones Sorting classifier Filters Thickness Cyclones Sorting classifier Filters Thickness 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 In case of a revolving mill, wet grinding compared to dry grinding Requires more energy None of these Has less capacity Complicates handling & classification of the product Requires more energy None of these Has less capacity Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 60° 15° 45° 30° 60° 15° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls All of these Are rotated towards each other Have the same diameter Run either at the same or different speeds All of these Are rotated towards each other Have the same diameter Run either at the same or different speeds ANSWER DOWNLOAD EXAMIANS APP
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 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) Wet grinding in high viscous suspension ANSWER DOWNLOAD EXAMIANS APP