Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? 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 Suspending solid particles Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Ball mill Tube mill Gyratory crusher Squirrel-cage disintegrator Ball mill Tube mill Gyratory crusher Squirrel-cage disintegrator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Filter medium resistance decreases Filter medium resistance increases Cake resistance decreases All the resistances are constant Filter medium resistance decreases Filter medium resistance increases Cake resistance decreases All the resistances are constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.6 None of these 0.4 0.1 0.6 None of these 0.4 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Gives less wear on chamber walls Increases capacity Complicates handling of the product Requires more energy Gives less wear on chamber walls Increases capacity Complicates handling of the product Requires more energy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS