Mechanical Operations In case of a hammer crusher, All of these Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms All of these Crushing takes place by impact breaking Reduction ratio can be varied by adjusting the distance from cage to hammers Maximum acceptable feed size is 30 cms ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 10 to 15 3 to 4 15 to 20 8 to 10 10 to 15 3 to 4 15 to 20 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the compressibility co-efficient Increase the compressibility co-efficient Decrease the porosity Increase the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient Decrease the porosity Increase the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Both A & B Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge Both A & B Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Sorting classifier Cyclones Thickness Filters Sorting classifier Cyclones Thickness Filters ANSWER DOWNLOAD EXAMIANS APP