Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Clarification Sedimentation Classification Flocculation Clarification Sedimentation Classification Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Roll crusher Hammer crusher Ball mill Gyratory crusher Roll crusher Hammer crusher Ball mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 50 0.014 0.3 0.007 50 0.014 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Recovery/rejection Rejection Recovery None of these Recovery/rejection Rejection Recovery None of these 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 Sedimentation Dispersion Flocculation Centrifugation Sedimentation Dispersion Flocculation Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.01 to 0.1 4 to 5 0.5 to 1.5 2 to 3.5 0.01 to 0.1 4 to 5 0.5 to 1.5 2 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS