Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Specific gravities None of these Wettability Shape Specific gravities None of these Wettability Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Secondary Ultrafine Fine Primary Secondary Ultrafine Fine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Remains constant Increases continuously None of these Decreases gradually Remains constant Increases continuously None of these Decreases gradually ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Jaw crushers Tube mills Compartment mills Ball mills Jaw crushers Tube mills Compartment mills Ball mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 500°C and 50 atm 1000°C and 500 atm 1000°C and 10 atm 200°C and 5 atm 500°C and 50 atm 1000°C and 500 atm 1000°C and 10 atm 200°C and 5 atm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is None of these 0.1 0.6 0.4 None of these 0.1 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP