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 Middling Concentrate None of these Tailing Middling Concentrate None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Tearing (shear) and compression Impact and attrition Neither A nor B Both A & B Tearing (shear) and compression Impact and attrition Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Lumpy solids and low viscosity liquids Dry powders High viscosity liquids Thick pastes Lumpy solids and low viscosity liquids Dry powders High viscosity liquids Thick pastes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the Feed rate All of these Clearance between hammer & grinding plates Rotor speed Feed rate All of these Clearance between hammer & grinding plates Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Bond's crushing law Rittinger's law Kick's law None of these Bond's crushing law Rittinger's law Kick's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher. Toothed roll Blake jaw Gyratory None of these Toothed roll Blake jaw Gyratory None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS