Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law Bond's crushing law None of these Rittinger's law Kick's law Bond's crushing law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 4/D.p 12/D.p 6/D.p 2/D.p 4/D.p 12/D.p 6/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Spiral separator Baum jig washer Froth floatation Trough washer Spiral separator Baum jig washer Froth floatation Trough washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which one is a filter aid? Convas fabric Calcined lime None of these Diatomaceous earth Convas fabric Calcined lime None of these Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Specific gravities Shape Wettability None of these Specific gravities Shape Wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 ANSWER DOWNLOAD EXAMIANS APP