Mechanical Operations Crushing efficiency is the ratio of the Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid 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 Which of the following is a coarse crusher? Gyratory crusher Tube mill Toothed roll crusher Smooth roll crusher Gyratory crusher Tube mill Toothed roll crusher Smooth roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Heavy loads & short runs Small loads & long runs Heavy loads & long runs None of these Heavy loads & short runs Small loads & long runs Heavy loads & long runs None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Ball mill Crushing rolls Hammer mill Buhrstone mill Ball mill Crushing rolls Hammer mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Dispersion Flocculation Sedimentation Centrifugation Dispersion Flocculation Sedimentation Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Rotor shaft carrying hammers can be vertical or horizontal Maximum feed size may be 50 mm Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) Rotor shaft carrying hammers can be vertical or horizontal Maximum feed size may be 50 mm Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) ANSWER DOWNLOAD EXAMIANS APP