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'? Flight conveyor Bucket conveyor Screw conveyor Both B and C Flight conveyor Bucket conveyor Screw conveyor Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Xanthates are used in the froth floatation process as a/an Collector Activator Frother Conditioner Collector Activator Frother Conditioner ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Roll None of these Vibratory Impact Roll None of these Vibratory Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio Produces a coarser product Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio Produces a coarser product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Mixed Separated by particle size Separated by particle shape Separated by particle density Mixed Separated by particle size Separated by particle shape Separated by particle density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Feed size Product size Speed of the rolls Diameter of the rolls Feed size Product size Speed of the rolls Diameter of the rolls ANSWER DOWNLOAD EXAMIANS APP
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