Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Can not be operated under pressure/vacuum Employ bowl of larger diameter Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Can not be operated under pressure/vacuum Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Differential roll speed Neither A nor B Reduction ratio Both A & B Differential roll speed Neither A nor B Reduction ratio Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for German standard screens (DIN 1171) etc All of these American standard screens (ASTM and Tyler standard screens) British standard screens German standard screens (DIN 1171) etc All of these American standard screens (ASTM and Tyler standard screens) British standard screens 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 Plate & frame Rotary vacuum Sand Shell & leaf Plate & frame Rotary vacuum Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 8 to 10 10 to 15 3 to 4 15 to 20 8 to 10 10 to 15 3 to 4 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) L.S/0.087 L.S 0.087 L.S 0.01 L.S L.S/0.087 L.S 0.087 L.S 0.01 L.S ANSWER DOWNLOAD EXAMIANS APP