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 = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = Vp/dp sp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove dirt from the flowing fluid, we use a Coagulant Clarifier Gravity settler Strains Coagulant Clarifier Gravity settler Strains ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing None of these Middling Concentrate Tailing None of these Middling Concentrate 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 All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation. Hagen-Poiseulle's Fanning's Kremser Kozney-Karman Hagen-Poiseulle's Fanning's Kremser Kozney-Karman ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Jaw crushers Gyratory crushers Rod mills Smooth roll crushers Jaw crushers Gyratory crushers Rod mills Smooth roll crushers ANSWER DOWNLOAD EXAMIANS APP