Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 0.5 1 √2 √3 0.5 1 √2 √3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Electrolyte Both A & B Neither A nor B Surface active agent Electrolyte Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Alumina Sodium silicate Lime Quartz Alumina Sodium silicate Lime Quartz ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Blending of immiscible liquids 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 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 0.90 μm/s 1 μm/s 22.1 μm/s 0.02 μm/s 0.90 μm/s 1 μm/s 22.1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Cm² Cm Inch Inch² Cm² Cm Inch Inch² ANSWER DOWNLOAD EXAMIANS APP