Mechanical Operations Carbon black is pulverised in a Hammer crusher Gyratory crusher Ball mill Roll crusher Hammer crusher Gyratory crusher Ball mill Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) L.S L.S/0.087 0.087 L.S 0.01 L.S L.S L.S/0.087 0.087 L.S 0.01 L.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Concentration of rubber latex Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Concentration of rubber latex Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier None of these Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Bag filter Cyclone separator Electrostatic precipitator Wet scrubber Bag filter Cyclone separator Electrostatic precipitator Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the 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 Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
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