Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Remains unchanged Increases Decreases exponentially Decreases Remains unchanged Increases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that 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 in crushing is proportional to the new surface created 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 to form a particle of any size is proportional to the square 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a fluid energy mill is achieved by Interparticle attrition Cutting Impact Compression Interparticle attrition Cutting Impact Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Attrition Impact Cutting Compression Attrition Impact Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? All of these Fluid energy mill Micronizer Jet mills All of these Fluid energy mill Micronizer Jet mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Gyratory crusher Roll crusher Jaw crusher Cone crusher Gyratory crusher Roll crusher Jaw crusher Cone crusher ANSWER DOWNLOAD EXAMIANS APP