Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Copper sulphate Sodium carbonate Cresylic acid Calcium carbonate Copper sulphate Sodium carbonate Cresylic acid Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Ultrafine Secondary Primary Fine Ultrafine Secondary Primary Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them. Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Fluid energy mill, Jaw crusher, Ball mill Ball mill, Jaw crusher, Fluid energy mill Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Fluid energy mill, Jaw crusher, Ball mill Ball mill, Jaw crusher, Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gizzlies are used for separating __________ solids. Coarse None of these Any size Fine Coarse None of these Any size Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Mixed Separated by particle density Separated by particle shape Separated by particle size Mixed Separated by particle density Separated by particle shape Separated by particle size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 30 85 25 3 30 85 25 3 ANSWER DOWNLOAD EXAMIANS APP
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