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 ton of feed to 100 microns 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 (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 Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is Used for small scale filtration work A continuous filter A high pressure filter A leaf filter Used for small scale filtration work A continuous filter A high pressure filter A leaf filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by π(=A/D²) 2π(=2A/D²) AD/V π/6(=V/D³) π(=A/D²) 2π(=2A/D²) AD/V π/6(=V/D³) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Filter medium resistance decreases All the resistances are constant Cake resistance decreases Filter medium resistance increases Filter medium resistance decreases All the resistances are constant Cake resistance decreases Filter medium resistance increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Ball and pebble Compartment All of these Rod and tube Ball and pebble Compartment All of these Rod and tube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them. Jaw crusher, Ball mill, Fluid energy mill Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Fluid energy mill, Ball mill, Jaw crusher Jaw crusher, Ball mill, Fluid energy mill Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Fluid energy mill, Ball mill, Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
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