Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Both A and C Consumes more power Consumes less power Results in increased capacity Both A and C Consumes more power Consumes less power Results in increased capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio Uses much larger balls Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is √2 2 √3 1.5 √2 2 √3 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 22.1 μm/s 0.90 μm/s 0.02 μm/s 1 μm/s 22.1 μm/s 0.90 μm/s 0.02 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'? Screw conveyor Bucket elevator Apron conveyor Belt conveyor Screw conveyor Bucket elevator Apron conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 1.84 0.00184 0.0184 0.184 1.84 0.00184 0.0184 0.184 ANSWER DOWNLOAD EXAMIANS APP
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