Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 10 to 15 15 to 20 3 to 4 8 to 10 10 to 15 15 to 20 3 to 4 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Chromite Rutile Siderite Galena Chromite Rutile Siderite Galena ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Reduction ratio Differential roll speed Neither A nor B Both A & B Reduction ratio Differential roll speed Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 0.5 1 ∞ 0.5 1 ∞ 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 Rittinger's law None of these Kick's law Bond's law Rittinger's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by AD/V π/6(=V/D³) 2π(=2A/D²) π(=A/D²) AD/V π/6(=V/D³) 2π(=2A/D²) π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
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