Mechanical Operations Separation of solid particles based on their densities is called Clarification Sizing Sorting Dispersion Clarification Sizing Sorting Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)²p (S/V)p (S/V)f √(S/V)p (S/V)²p (S/V)p (S/V)f √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Waxes Hard rubber Gums Resins Waxes Hard rubber Gums Resins ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 50 85 70 35 50 85 70 35 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Less than Much more than Slightly more than At least equal to Less than Much more than Slightly more than At least equal to ANSWER DOWNLOAD EXAMIANS APP