Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Frother Collector Activator Modifier Frother Collector Activator Modifier 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. Secondary Primary Fine Ultrafine Secondary Primary Fine Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The size reduction ratio None of these The new surface created The change in volume due to crushing The size reduction ratio None of these The new surface created The change in volume due to crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Vibratory None of these Impact Roll Vibratory None of these Impact Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Attrition Neither A nor B Impact Both A & B Attrition Neither A nor B Impact Both A & B 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 Clarification Classification Decantation Sedimentation Clarification Classification Decantation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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