Mechanical Operations The sphericity of a solid particle of cubical shape is π/3 (π/6)1/2 (π/6)1/3 π π/3 (π/6)1/2 (π/6)1/3 π ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Intermediate Wet Dry Ultrafine Intermediate Wet Dry Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Xanthates are used in the froth floatation process as a/an Conditioner Collector Activator Frother Conditioner Collector Activator Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 0.5 1 ∞ 0.5 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ baffles are provided in ball mills. No None of these Only two Horizontal No None of these Only two Horizontal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the 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 Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller ANSWER DOWNLOAD EXAMIANS APP
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