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 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 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 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 needed to crush one ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 8 20 12 2 8 20 12 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/hr-ft² Both A & B Tons/hr Tons/ft² Tons/hr-ft² Both A & B Tons/hr Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 15° 60° 45° 30° 15° 60° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Liquor stops flowing out to the discharge Both A & B Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge Both A & B Cake becomes very dense Filtration pressure rises suddenly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Feed size of ≥ 25 cms can be accepted by Ball mill Rod mill Jaw crusher Fluid energy mill Ball mill Rod mill Jaw crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
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