Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Selectivity index Concentration ratio None of these Separation efficiency Selectivity index Concentration ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Impact and attrition Both A & B Tearing (shear) and compression Neither A nor B Impact and attrition Both A & B Tearing (shear) and compression Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Neither A nor B Both A & B Reduction ratio Capacity Neither A nor B Both A & B Reduction ratio Capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Cyclones Filters Sorting classifier Thickness Cyclones Filters Sorting classifier Thickness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Largest Smallest Either A or B Neither A nor B Largest Smallest Either A or B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS