Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Has less capacity None of these Requires more energy Complicates handling & classification of the product Has less capacity None of these Requires more energy Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust laden air can be purified using a Tubular centrifuge Bag filter Cyclone separator Gravity settler Tubular centrifuge Bag filter Cyclone separator Gravity settler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.68 0.5 0.62 0.58 0.68 0.5 0.62 0.58 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 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 Energy fed to the machine to the surface energy created by crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Increase the porosity of the cake Act as a support base for the septum Increase the rate of filtration Decrease the pressure drop Increase the porosity of the cake Act as a support base for the septum Increase the rate of filtration Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Densities Terminal velocities None of these Particle sizes Densities Terminal velocities None of these Particle sizes ANSWER DOWNLOAD EXAMIANS APP
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