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. 500 5000 5 50 500 5000 5 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? Kozney-Karman equation Blake-Plummer equation Leva None of these Kozney-Karman equation Blake-Plummer equation Leva None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases Remains constant Decreases Increases linearly Increases Remains constant Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Compression Cutting Attrition Impact Compression Cutting Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Concentration of iron ore Concentration of pyrites Cleaning of coal Water treatment Concentration of iron ore Concentration of pyrites Cleaning of coal Water treatment 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