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 Dp/Df Df - Dp Df/Dp None of these Dp/Df Df - Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Mixer-extruder Pug mill Banbury internal mixer Muller mixer Mixer-extruder Pug mill Banbury internal mixer Muller mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5000 5 50 500 5000 5 50 500 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 4.34 1.34 1 0.5 4.34 1.34 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Square of the viscosity Washing time only Square root of the velocity Filtration time only Square of the viscosity Washing time only Square root of the velocity Filtration time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by √(AD/V) AD/V A/V D/V √(AD/V) AD/V A/V D/V ANSWER DOWNLOAD EXAMIANS APP
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