Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Metalliferrous ores Non-metallic ores Asbestos & mica Basic slags Metalliferrous ores Non-metallic ores Asbestos & mica Basic slags ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³) 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 AVS/ρ 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 AVS/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating None of these Quartzite Sulphide ores Iron ores None of these Quartzite Sulphide ores Iron ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Density Viscosity Thermal conductivity Surface tension Density Viscosity Thermal conductivity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Tailing Middling Heading Concentrate Tailing Middling Heading Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The porosity of a compressible cake is Minimum at the upstream face Maximum at the filter medium Same throughout the thickness of cake Minimum at the filter medium Minimum at the upstream face Maximum at the filter medium Same throughout the thickness of cake Minimum at the filter medium ANSWER DOWNLOAD EXAMIANS APP
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