Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Fact that screening is more effective Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed None of these Fact that screening is more effective Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier 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 6.35 kWh/ton 9.0 kWh/ton 18 kWh/ton 25.4 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Plate and frame filter press Batch basket centrifuge Sand bed filter Vacuum filter Plate and frame filter press Batch basket centrifuge Sand bed filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following clay mixing devices is vacuum operated for deairation of clay? Muller-mixer Banbery mixer Pug mill None of these Muller-mixer Banbery mixer Pug mill None of these ANSWER DOWNLOAD EXAMIANS APP
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