Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 25 3 85 30 25 3 85 30 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Powdered food & granular materials Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Dry chemicals Powdered food & granular materials Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Dry chemicals ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Supporting legs of a plate and frame filter is normally made of Wooden plank Stainless steel High speed steel Cast iron Wooden plank Stainless steel High speed steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Shell & leaf Rotary vacuum Plate & frame Sand Shell & leaf Rotary vacuum Plate & frame Sand 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 High power consumption in grinding None of these Easier grindability Poor grindability High power consumption in grinding None of these Easier grindability Poor grindability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
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