Mechanical Operations Two particles are called to be equal settling, if they are having the same. Size None of these Specific gravity Terminal velocities in the same fluid & in the same field of force Size None of these Specific gravity Terminal velocities in the same fluid & in the same field of force ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Flocculation None of these Jigging & tabling Froth floatation Flocculation None of these Jigging & tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Square of the viscosity Washing time only Square root of the velocity Filtration time only Square of the viscosity Washing time only Square root of the velocity Filtration time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Uses smaller balls All of these Produces finer products Is long in comparison with its diameter Uses smaller balls All of these Produces finer products Is long in comparison with its diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 6.35 kWh/ton 18 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 18 kWh/ton 25.4 kWh/ton 9.0 kWh/ton ANSWER DOWNLOAD EXAMIANS APP