Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Requires more energy None of these Has less capacity Complicates handling & classification of the product Requires more energy None of these Has less capacity Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Neither A nor B Air Both A & B Water Neither A nor B Air Both A & B Water ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Neither A nor B Both A & B Reduction ratio Capacity Neither A nor B Both A & B Reduction ratio Capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex Dewaxing of lubricating oil Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex Dewaxing of lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is 1 > 1 1.5 < 1 1 > 1 1.5 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 1 0.5 ∞ 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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