Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Crush shaft Check plates Jaw plates Toggles Crush shaft Check plates Jaw plates Toggles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Operating speed should be more than the critical speed None of these Fine feed requires a larger ball Coarse feed requires a larger ball Operating speed should be more than the critical speed None of these Fine feed requires a larger ball Coarse feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Elutriation Clarification Classification Sedimentation Elutriation Clarification Classification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Feed particles Neither A nor B Both A & B Grinding element & the housing Feed particles Neither A nor B Both A & B Grinding element & the housing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 25.4 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 18 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
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