Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Compression and tearing Compression Impact and attrition Cutting action Compression and tearing Compression Impact and attrition Cutting action 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. 500 5000 50 5 500 5000 50 5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Filter press Rotary disc filter Tank filter (Nutsch filter) Batch basket centrifuge Filter press Rotary disc filter Tank filter (Nutsch filter) Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Decanters Hydrocyclones Classifiers Thickeners Decanters Hydrocyclones Classifiers Thickeners 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 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Shape None of these Specific gravities Wettability Shape None of these Specific gravities Wettability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS