Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same Ratio of surface to volume as the actual volume Ratio of volume to surface as the particle Volume as the particle None of these Ratio of surface to volume as the actual volume Ratio of volume to surface as the particle Volume as the particle None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the All of these Froude number is independent for the curves between power number and Reynolds number in baffled system 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 All of these Froude number is independent for the curves between power number and Reynolds number in baffled system 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
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Cobalt oxide Manganese oxide Titanium oxide Calcium oxide Cobalt oxide Manganese oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a fluid energy mill is achieved by Compression Cutting Interparticle attrition Impact Compression Cutting Interparticle attrition Impact 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 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp None of these Df/Dp Dp/Df Df - Dp None of these Df/Dp Dp/Df ANSWER DOWNLOAD EXAMIANS APP
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