Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. None of these Increases Does not effect Decreases None of these Increases Does not effect Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the Elastic constant of the material Ultimate strength of the material All of these State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material All of these State or manner of application of the crushing force 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 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 needed to crush one tonne of feed to 200 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 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 needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for fine grinders is 20-40 As high as 100 44124 43961 20-40 As high as 100 44124 43961 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Resistance decreases with time Rate of filtration increases with time Rate of filtration decreases with time Rate of filtration is constant Resistance decreases with time Rate of filtration increases with time Rate of filtration decreases with time Rate of filtration is constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can't be used for separation of fine suspended solids from a liquid Can not be operated under pressure/vacuum Operate at higher speed Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Can not be operated under pressure/vacuum Operate at higher speed Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
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