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 = dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = 6 dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Hammer mill Pin mill Ball mill Jet mill Hammer mill Pin mill Ball mill Jet mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Electromagnets Cams or eccentric shafts Unblanced fly wheels Either A, B or C Electromagnets Cams or eccentric shafts Unblanced fly wheels Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter All of these Provides more effective washing Facilitates filtration under higher pressure Entails less labor cost All of these Provides more effective washing Facilitates filtration under higher pressure Entails less labor cost ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following clay mixing devices is vacuum operated for deairation of clay? Muller-mixer Banbery mixer None of these Pug mill Muller-mixer Banbery mixer None of these Pug mill ANSWER DOWNLOAD EXAMIANS APP
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