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) Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp Vp/m . ρ M . Vp/ρ M/ρ . Vp M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same None of these Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume Volume as the particle None of these Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume Volume as the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its High power consumption in grinding None of these Poor grindability Easier grindability High power consumption in grinding None of these Poor grindability Easier grindability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Finer products Neither A nor B Both A & B Enhanced production rate Finer products Neither A nor B Both A & B Enhanced production rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? None of these Bond's crushing law Rittinger's law Kick's law None of these Bond's crushing law Rittinger's law Kick's law ANSWER DOWNLOAD EXAMIANS APP