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. Middling Concentrate Tailing None of these Middling Concentrate Tailing None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'? Belt conveyor Bucket elevator Apron conveyor Screw conveyor Belt conveyor Bucket elevator Apron conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Stamp mill Blake jaw crusher Bradford's breaker Cage mill Stamp mill Blake jaw crusher Bradford's breaker Cage mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Capacity Reduction ratio Both A & B Neither A nor B Capacity Reduction ratio Both A & B Neither A nor B 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 0.00184 0.184 0.0184 1.84 0.00184 0.184 0.0184 1.84 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Both B and C Flight conveyor Bucket conveyor Screw conveyor Both B and C Flight conveyor Bucket conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
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