Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Jaw crusher Roll crusher Gyratory crusher Cone crusher Jaw crusher Roll crusher Gyratory crusher Cone crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) 1/s . c S/c C/s S . c 1/s . c S/c C/s S . c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the transportation of ultrafine particles, the equipment used is a........conveyor. Pneumatic None of these Belt Screw Pneumatic None of these Belt Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Drag conveyor Ribbon conveyor Bucket elevators Flight conveyor Drag conveyor Ribbon conveyor Bucket elevators Flight conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 15 - 20 43832 60 - 75 40 - 50 15 - 20 43832 60 - 75 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Specific gravities Wettability None of these Shape Specific gravities Wettability ANSWER DOWNLOAD EXAMIANS APP