Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) D 1/D D2.5 1/D2.5 D 1/D D2.5 1/D2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Hammer crusher Gyratory crusher Ball mill Roll crusher Hammer crusher Gyratory crusher Ball mill Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Panning Tabling Spiralling None of these Panning Tabling Spiralling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as disintegrators. Compartment Cage All of these Pebble Compartment Cage All of these Pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry 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.D.V. 3.6 W.V.ρ 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.D.V. 3.6 W.V.ρ ANSWER DOWNLOAD EXAMIANS APP
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