Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Quartz Cassiterrite Fluorspar Calcite Quartz Cassiterrite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Flight conveyor Bucket elevators Drag conveyor Ribbon conveyor Flight conveyor Bucket elevators Drag conveyor Ribbon conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1 0.5 4.34 1.34 1 0.5 4.34 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fibrous material is broken by a Tube mill Rollcrusher Ball mill Squirrel-cage disintegrator Tube mill Rollcrusher Ball mill Squirrel-cage disintegrator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Sedimentation Clarification Flocculation Classification Sedimentation Clarification Flocculation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 4/D.p 6/D.p 12/D.p 2/D.p 4/D.p 6/D.p 12/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS