Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Hammer mills with internal classification Toothed roll crusher Micronizers Agitated mills and fluid energy mills Hammer mills with internal classification Toothed roll crusher Micronizers Agitated mills and fluid energy mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Fine Primary Secondary Ultrafine Fine Primary Secondary Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Plate and frame filter press Sand bed filter Batch basket centrifuge Vacuum filter Plate and frame filter press Sand bed filter Batch basket centrifuge Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Suspending solid particles Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Blending of immiscible liquids Suspending solid particles Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Blending of immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Cm² Inch² Cm Inch Cm² Inch² Cm Inch ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP