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 Gold ore concentration is mostly done using Froth floatation Tabling Jigging Elutriation Froth floatation Tabling Jigging Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyors are also called scrapers. Screw Helical flight Both B & C Apron Screw Helical flight Both B & C Apron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Speed of the centrifuge Formation of highly porous cake Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Speed of the centrifuge Formation of highly porous cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a part of the Blake jaw crusher? Check plates Toggles Pitman Hanger Check plates Toggles Pitman Hanger ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. ANSWER DOWNLOAD EXAMIANS APP