Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Gives less wear on chamber walls Requires more energy Increases capacity Complicates handling of the product Gives less wear on chamber walls Requires more energy Increases capacity Complicates handling of the product 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 Bucket conveyor Flight conveyor Screw conveyor Both B and C Bucket conveyor Flight conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
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. None of these Tailing Middling Concentrate None of these Tailing Middling Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Lump size Neither A nor B Bulk density Both A & B Lump size Neither A nor B Bulk density Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Neither A nor B Both A & B Ultra Disk-bowl Neither A nor B Both A & B Ultra Disk-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for the transportation of 200 mesh size particles is a Screw conveyor Pneumatic conveyor Bucket elevator Belt conveyor Screw conveyor Pneumatic conveyor Bucket elevator Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
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