Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Rittinger's law Bond's law Kick's law None of these Rittinger's law Bond's law Kick's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to the surface energy created by crushing Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to the surface energy created by crushing Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Batch basket centrifuge Plate and frame filter press Sand bed filter Vacuum filter Batch basket centrifuge Plate and frame filter press Sand bed filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 50 to 100 5 to 25 100 to 250 0.2 to 0.8 50 to 100 5 to 25 100 to 250 0.2 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During filtration operation, the filtrate encounters the resistance of the All of these Filter medium Cake Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium All of these Filter medium Cake Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium ANSWER DOWNLOAD EXAMIANS APP
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