Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Rittinger's law Kick's law None of these Bond's crushing law Rittinger's law Kick's law None of these Bond's crushing law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.4 0.1 0.6 None of these 0.4 0.1 0.6 None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh seive size corresponds to __________ microns. 200 154 24 74 200 154 24 74 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Compression Cutting action Compression and tearing Impact and attrition Compression Cutting action Compression and tearing Impact and attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Coarse feed requires a larger ball None of these Operating speed should be more than the critical speed Fine feed requires a larger ball Coarse feed requires a larger ball None of these Operating speed should be more than the critical speed Fine feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Formation of highly porous cake Centrifugal pressure exerted by the liquid Speed of the centrifuge Narrow diameter of the vessel Formation of highly porous cake Centrifugal pressure exerted by the liquid Speed of the centrifuge Narrow diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP