Mechanical Operations Rittinger's crushing law states that 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 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by Compression Cutting None of these Attrition Compression Cutting None of these Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get a fine talc powder from its granules, the equipment used is Ball mill Roller crusher Jaw crusher Gyratory crusher Ball mill Roller crusher Jaw crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Quartz Cassiterrite Fluorspar Calcite Quartz Cassiterrite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes more power Both A and C Results in increased capacity Consumes less power Consumes more power Both A and C Results in increased capacity Consumes less power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Neither A nor B Both A & B Characteristics of the feed slurry Cake thickness Neither A nor B Both A & B Characteristics of the feed slurry Cake thickness ANSWER DOWNLOAD EXAMIANS APP
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