Mechanical Operations A tube mill as compared to a ball mill Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the None of these Decreasing size of product at constant size of feed Increasing size of feed at constant reduction ratio Decreasing machine capacity None of these Decreasing size of product at constant size of feed Increasing size of feed at constant reduction ratio Decreasing machine capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During filtration operation, the filtrate encounters the resistance of the Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium All of these Cake Filter medium Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium All of these Cake Filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as disintegrators. Cage Compartment Pebble All of these Cage Compartment Pebble All of these 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 Which of the following is not used as filter aid? Rice husk Purified wood cellulose Diatomaceous earth Asbestos Rice husk Purified wood cellulose Diatomaceous earth Asbestos ANSWER DOWNLOAD EXAMIANS APP
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