Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 0.5 1 ∞ 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Packed wet Hollow wet Venturi Co-current Packed wet Hollow wet Venturi Co-current ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The material is crushed in a gyratory crusher by the action of Cutting Attrition Compression Impact Cutting Attrition Compression Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 25 3 30 85 25 3 30 85 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Complicates handling of the product Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product Gives less wear on chamber walls Increases capacity Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Compression and tearing Cutting action Impact and attrition Compression Compression and tearing Cutting action Impact and attrition Compression ANSWER DOWNLOAD EXAMIANS APP
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