Mechanical Operations Trommels separate a mixture of particles depending on their Density Electrical & magnetic properties Size Wettability Density Electrical & magnetic properties Size Wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Strainer Cyclone separator Electrostatic precipitator None of these Strainer Cyclone separator Electrostatic precipitator None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator All of these Runs at very slow speed (2 rpm) Is used for mixing high viscosity pastes Produces mainly axial flow All of these Runs at very slow speed (2 rpm) Is used for mixing high viscosity pastes Produces mainly axial flow 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 W.V.ρ 3.6 D.V.ρ 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 D.V.ρ 3.6 W.D.V. ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the Liquids having high vapour pressure Liquids of very high viscosity Removal of fines from liquid None of these Liquids having high vapour pressure Liquids of very high viscosity Removal of fines from liquid None of these ANSWER DOWNLOAD EXAMIANS APP