Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact Vibratory None of these Roll Impact Vibratory None of these Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by None of these Attrition Cutting Compression None of these Attrition Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size, is not needed None of these Assumption that all particles in a single fraction are equal in size Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed None of these Assumption that all particles in a single fraction are equal in size Fact that screening is more effective ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Gyratory crusher Roll crusher Cone crusher Jaw crusher Gyratory crusher Roll crusher Cone crusher Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Removal of activated carbon from glycerine is done by Plate and frame filter Rotary vacuum filter None of these Batch basket centrifuge Plate and frame filter Rotary vacuum filter None of these Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio ANSWER DOWNLOAD EXAMIANS APP
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