Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Sedimentation Classification Flocculation Clarification Sedimentation Classification Flocculation Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 43835 90-95 40-50 75-80 43835 90-95 40-50 75-80 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). Dp D²p 1/D²p 1/Dp Dp D²p 1/D²p 1/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Wet Intermediate Ultrafine Dry Wet Intermediate Ultrafine Dry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 15 to 20 3 to 4 8 to 10 10 to 15 15 to 20 3 to 4 8 to 10 10 to 15 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 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 Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to the surface energy created by crushing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS