Mechanical Operations For efficient grinding, ball mills must be operated With minimum possible small balls At a speed less than the critical speed At a speed equal to the critical speed At a speed more than the critical speed With minimum possible small balls At a speed less than the critical speed At a speed equal to the critical speed At a speed more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Attrition Compression Cutting Impact Attrition Compression Cutting Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Rotary drum filter Plate and flame filter Leaf filter (Moore filter) Sand filter Rotary drum filter Plate and flame filter Leaf filter (Moore filter) Sand filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Belt conveyor Screw conveyor Apron conveyor Pneumatic conveyor Belt conveyor Screw conveyor Apron conveyor Pneumatic conveyor 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. 5 5000 500 50 5 5000 500 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy fed to the machine to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing Energy fed to the machine to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing ANSWER DOWNLOAD EXAMIANS APP