Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 2.76 0.5 1 0.66 2.76 0.5 1 0.66 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Decantation Classification Sedimentation Flocculation Decantation Classification Sedimentation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Mixer-extruder Banbury mixer Pug mill Muller mixer Mixer-extruder Banbury mixer Pug mill Muller mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Both A & B Liquor stops flowing out to the discharge Cake becomes very dense Filtration pressure rises suddenly Both A & B Liquor stops flowing out to the discharge Cake becomes very dense Filtration pressure rises suddenly 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. 2 12 8 20 2 12 8 20 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these ANSWER DOWNLOAD EXAMIANS APP