Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 1 0.5 ∞ 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Largest Smallest Neither A nor B Either A or B Largest Smallest Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Plate and frame Vacuum leaf Open sand Sparkler Plate and frame Vacuum leaf Open sand Sparkler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 0.5-2 0.33-0.45 1.33-1.45 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'? Belt conveyor Screw conveyor Bucket elevator Apron conveyor Belt conveyor Screw conveyor Bucket elevator Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Weight Volume Neither A nor B Either A or B Weight Volume Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
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