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? Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Sulphide ores Iron ores Quartzite None of these Sulphide ores Iron ores Quartzite None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product None of these Requires more energy Has less capacity Complicates handling & classification of the product None of these Requires more energy Has less capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Plate & frame Vacuum Rotary Sand Plate & frame Vacuum Rotary Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Decantation Sedimentation Classification Clarification Decantation Sedimentation Classification Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is a secondary crusher for a hard & tough stone? Impact crusher Jaw crusher Toothed roll crusher Cone crusher Impact crusher Jaw crusher Toothed roll crusher Cone crusher ANSWER DOWNLOAD EXAMIANS APP
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