Mechanical Operations Ultrafine grinders operate principally by Slow compression Attrition Impact Cutting action Slow compression Attrition Impact Cutting action ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 2 to 3.5 0.01 to 0.1 0.5 to 1.5 4 to 5 2 to 3.5 0.01 to 0.1 0.5 to 1.5 4 to 5 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/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Selectivity index Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Concentration of iron ore Cleaning of coal Water treatment Concentration of pyrites Concentration of iron ore Cleaning of coal Water treatment Concentration of pyrites ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by 2π(=2A/D²) AD/V π/6(=V/D³) π(=A/D²) 2π(=2A/D²) AD/V π/6(=V/D³) π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
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