Mechanical Operations Size reduction does not occur due to compression in case of Rod mills Smooth roll crushers Jaw crushers Gyratory crushers Rod mills Smooth roll crushers Jaw crushers Gyratory crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Curved blade turbine Flat blade turbine Helical screw Propeller Curved blade turbine Flat blade turbine Helical screw Propeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which one is a filter aid? Diatomaceous earth Convas fabric None of these Calcined lime Diatomaceous earth Convas fabric None of these Calcined lime ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Is used for mixing high viscosity pastes All of these Produces mainly axial flow Runs at very slow speed (2 rpm) Is used for mixing high viscosity pastes All of these Produces mainly axial flow Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 100 to 250 5 to 25 50 to 100 0.2 to 0.8 100 to 250 5 to 25 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
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