Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Flight conveyor Apron conveyor Chain conveyor Belt conveyor Flight conveyor Apron conveyor Chain conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/μ 1/√μ √μ 1/μ² 1/μ 1/√μ √μ 1/μ² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher diameter/length ratio Produces a coarser product Has a higher length/diameter ratio Uses much larger balls Has a higher diameter/length ratio Produces a coarser product Has a higher length/diameter ratio Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the 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 (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 Energy needed to crush one ton of feed to 100 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 (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 Energy needed to crush one ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fick's law relates to None of these Energy consumption Feed size Final particle size None of these Energy consumption Feed size Final particle size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 50 to 100 100 to 250 5 to 25 0.2 to 0.8 50 to 100 100 to 250 5 to 25 ANSWER DOWNLOAD EXAMIANS APP
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