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 Roll None of these Impact Vibratory Roll None of these Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration May increase or decrease ; depends on the pressure Remains constant throughout Continuously decreases Continuously increases May increase or decrease ; depends on the pressure Remains constant throughout Continuously decreases Continuously increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1.34 4.34 0.5 1 1.34 4.34 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is a cohesive solid. Sand Wheat Wet clay None of these Sand Wheat Wet clay None of these 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 Size Differential wettability Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Volume Weight Neither A nor B Either A or B Volume Weight Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS