Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The change in volume due to crushing The new surface created The size reduction ratio None of these The change in volume due to crushing The new surface created The size reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Bucket conveyor Both B and C Flight conveyor Screw conveyor Bucket conveyor Both B and C Flight conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of filter medium resistance is Gm/cm⁻¹ Cm⁻¹ Cm/gm⁻¹ Gm⁻¹ Gm/cm⁻¹ Cm⁻¹ Cm/gm⁻¹ Gm⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by A/V D/V √(AD/V) AD/V A/V D/V √(AD/V) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Slightly more than Less than At least equal to Much more than Slightly more than Less than At least equal to Much more than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Toggles Crush shaft Jaw plates Check plates Toggles Crush shaft Jaw plates Check plates ANSWER DOWNLOAD EXAMIANS APP