Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ √D N ∝ 1/D N ∝ 1/√D N ∝ D N ∝ √D N ∝ 1/D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ribbon blenders are exclusively meant for Blending miscible liquids Non-flowing powder and thin pastes Bath mixing Continuous mixing Blending miscible liquids Non-flowing powder and thin pastes Bath mixing Continuous mixing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Washing time only Square of the viscosity Square root of the velocity Filtration time only Washing time only Square of the viscosity Square root of the velocity Filtration time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ √NRe Np ∝ NRe Np ∝ 1/NRe Np → constant Np ∝ √NRe Np ∝ NRe Np ∝ 1/NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the material having minimum Rittinger's number. Galena Quartz Pyrite Calcite Galena Quartz Pyrite Calcite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Kick's law None of these Bond's law Rittinger's law Kick's law None of these Bond's law Rittinger's law ANSWER DOWNLOAD EXAMIANS APP