Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Roll crusher Gyratory crusher Hammer crusher Ball mill Roll crusher Gyratory crusher Hammer crusher Ball mill 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
Mechanical Operations Limestone is normally crushed in a Hammer crusher Roll crusher Ball mill Tube mill Hammer crusher Roll crusher Ball mill Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Wet scrubber Bag filter Cyclone separator Electrostatic precipitator Wet scrubber Bag filter Cyclone separator Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Pressure drop & area of filtering surface Properties of the cake & the filtrate Resistance of the cake & the septum None of these Pressure drop & area of filtering surface Properties of the cake & the filtrate Resistance of the cake & the septum None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 1 2.76 0.5 0.66 1 2.76 0.5 0.66 ANSWER DOWNLOAD EXAMIANS APP
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