Mechanical Operations The study on washability of coal is done by using the __________ technique. Heavy media separation Tabling Elutriation None of these Heavy media separation Tabling Elutriation None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Fact that screening is more effective Assumption that all particles in a single fraction are equal in size None of these Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective Assumption that all particles in a single fraction are equal in size None of these Assumption that all particles in a single fraction are equal in size, is not needed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for British standard screens German standard screens (DIN 1171) etc All of these American standard screens (ASTM and Tyler standard screens) British standard screens German standard screens (DIN 1171) etc All of these American standard screens (ASTM and Tyler standard screens) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Kick's law Bond's law None of these Rittinger's law Kick's law Bond's law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as impactors. None of these Rolling-compression Cage Hammer None of these Rolling-compression Cage Hammer ANSWER DOWNLOAD EXAMIANS APP
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