Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Fluid energy mill Jet mills Micronizer All of these Fluid energy mill Jet mills Micronizer All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Cams or eccentric shafts Unblanced fly wheels Either A, B or C Electromagnets Cams or eccentric shafts Unblanced fly wheels Either A, B or C Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultrafine grinders operate principally by Cutting action Slow compression Attrition Impact Cutting action Slow compression Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Mixer-extruder Muller mixer Pug mill Banbury mixer Mixer-extruder Muller mixer Pug mill Banbury mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Raw materials are charged in the iron blast furnace using Skip hoist Screw conveyor Bucket elevator None of these Skip hoist Screw conveyor Bucket elevator None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these ANSWER DOWNLOAD EXAMIANS APP