Mechanical Operations Rittinger's crushing law states that For a given machine and feed, crushing efficiency is dependent on the size of the feed & 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 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 For a given machine and feed, crushing efficiency is dependent on the size of the feed & 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 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 The maximum slope of a belt conveyor can be 30° 15° 60° 45° 30° 15° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. Curved Ribbed Either A or B Plane Curved Ribbed Either A or B Plane ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability Specific gravities None of these Shape Wettability Specific gravities None of these Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Plate and frame filter Cartridge filter Shell and leaf filter None of these Plate and frame filter Cartridge filter Shell and leaf filter None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult ANSWER DOWNLOAD EXAMIANS APP
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