Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing None of these Middling Concentrate Tailing None of these Middling Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Both A & B Ultra Neither A nor B Disk-bowl Both A & B Ultra Neither A nor B Disk-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Reduction ratio Neither A nor B Both A & B Capacity Reduction ratio Neither A nor B Both A & B Capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). None of these Df - Dp Dp/Df Df/Dp None of these Df - Dp Dp/Df Df/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Handling of ashes and similar materials can be done best by a __________ conveyor. Ribbon Belt Flight Drag or slat Ribbon Belt Flight Drag or slat ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following comes in the category of primary crusher for hard and tough stone? Cone crusher Jaw crusher Gyratory crusher None of these Cone crusher Jaw crusher Gyratory crusher None of these ANSWER DOWNLOAD EXAMIANS APP