Mechanical Operations The most common filter aid is Calcium silicate Silica gel Diatomaceous earth Sodium carbonate Calcium silicate Silica gel Diatomaceous earth Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Less than Slightly more than At least equal to Much more than Less than Slightly more than At least equal to Much more than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 25 85 30 3 25 85 30 3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Has the dimension of length Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration May increase or decrease ; depends on the pressure Continuously decreases Remains constant throughout Continuously increases May increase or decrease ; depends on the pressure Continuously decreases Remains constant throughout Continuously increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Differential wettability Volatile matter content Size Density separation Differential wettability Volatile matter content Size ANSWER DOWNLOAD EXAMIANS APP