Mechanical Operations In case of a hammer crusher, Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 10 to 15 15 to 20 8 to 10 3 to 4 10 to 15 15 to 20 8 to 10 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >10 >100 >10 >100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes less power Consumes more power Both A and C Results in increased capacity Consumes less power Consumes more power Both A and C Results in increased capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction does not occur due to compression in case of Gyratory crushers Jaw crushers Smooth roll crushers Rod mills Gyratory crushers Jaw crushers Smooth roll crushers Rod mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Both B and C Bucket conveyor Flight conveyor Screw conveyor Both B and C Bucket conveyor Flight conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP