Mechanical Operations Soft & non-abrasive materials can be made into fines by Compression Attrition None of these Cutting Compression Attrition None of these Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Galena Rutile Siderite Chromite Galena Rutile Siderite Chromite ANSWER DOWNLOAD EXAMIANS APP
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 In classification, particles are said to be equal settling, if they have the same terminal velocities in the Same field of force Same fluid Different fluids Both B and C Same field of force Same fluid Different fluids Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 1.34 Wi Wi 0.5 Wi 3.34 Wi 1.34 Wi Wi 0.5 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Rod mills Smooth roll crushers Jaw crushers Gyratory crushers Rod mills Smooth roll crushers Jaw crushers Gyratory crushers ANSWER DOWNLOAD EXAMIANS APP
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