Mechanical Operations Two particles are called to be equal settling, if they are having the same. Size Specific gravity None of these Terminal velocities in the same fluid & in the same field of force Size Specific gravity None of these Terminal velocities in the same fluid & in the same field of force ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) 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)? Flat blade turbine Helical screw Propeller Curved blade turbine Flat blade turbine Helical screw Propeller Curved blade turbine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process opposite to 'dispersion' is termed as the Sedimentation None of these Flocculation Filtration Sedimentation None of these Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Gyratory crushers Rod mills Jaw crushers Smooth roll crushers Gyratory crushers Rod mills Jaw crushers Smooth roll crushers ANSWER DOWNLOAD EXAMIANS APP
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