Mechanical Operations Helical screw agitator is used for None of these Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) Blending immiscible liquids None of these Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) Blending immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D² M ∝ D M ∝ √D M ∝ D³ M ∝ D² M ∝ D M ∝ √D M ∝ D³ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of filter medium resistance is Gm⁻¹ Cm/gm⁻¹ Cm⁻¹ Gm/cm⁻¹ Gm⁻¹ Cm/gm⁻¹ Cm⁻¹ Gm/cm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Cyclones Rotary drum filters Classifiers Thickeners Cyclones Rotary drum filters Classifiers Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W.Dr/ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ 3.6 V.W.Dr/ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ 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 ∝ 1/NRe Np ∝ NRe Np ∝ √NRe Np → constant Np ∝ 1/NRe Np ∝ NRe Np ∝ √NRe ANSWER DOWNLOAD EXAMIANS APP
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