Mechanical Operations For benefication of iron ore, the most commonly used method is None of these Flocculation Jigging & tabling Froth floatation None of these Flocculation Jigging & tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Separation of cream from milk Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil ANSWER DOWNLOAD EXAMIANS APP
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 The value of 'angle of nip' is generally about 64° 32° 16° 52° 64° 32° 16° 52° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Forged/cast steel Lead Alloy steel Cast iron Forged/cast steel Lead Alloy steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/2 π (π/6)1/3 π/3 (π/6)1/2 π (π/6)1/3 π/3 ANSWER DOWNLOAD EXAMIANS APP
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