Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for the transportation of 200 mesh size particles is a Belt conveyor Screw conveyor Bucket elevator Pneumatic conveyor Belt conveyor Screw conveyor Bucket elevator Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator All of these Produces mainly axial flow Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) All of these Produces mainly axial flow Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Length Volume Area Number Length Volume Area Number ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the material having minimum Rittinger's number. Calcite Galena Pyrite Quartz Calcite Galena Pyrite Quartz ANSWER DOWNLOAD EXAMIANS APP
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