Mechanical Operations Work index is defined as the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Intermediate Wet Ultrafine Dry Intermediate Wet Ultrafine Dry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 74 mili-microns 0.0047 cm 0.0074 cm 0.0074 mm 74 mili-microns 0.0047 cm 0.0074 cm 0.0074 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the material having minimum Rittinger's number. Pyrite Quartz Galena Calcite Pyrite Quartz Galena Calcite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KWh/sec. kg KWh/kg Kg/sec KW. sec/kg KWh/sec. kg KWh/kg Kg/sec KW. sec/kg ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ribbon blenders are exclusively meant for Blending miscible liquids Continuous mixing Non-flowing powder and thin pastes Bath mixing Blending miscible liquids Continuous mixing Non-flowing powder and thin pastes Bath mixing ANSWER DOWNLOAD EXAMIANS APP
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