Mechanical Operations Rittinger's crushing law states that Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product 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 What is the selectivity index, if the grade of tailings & concentrate is the same? 1 0.5 ∞ 1 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Ultra Both A & B Disk-bowl Neither A nor B Ultra Both A & B Disk-bowl Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. All of these Washing Drying Filtering All of these Washing Drying Filtering ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Sedimentation Coagulation Flocculation Clarification Sedimentation Coagulation Flocculation Clarification ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS