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. 0.5 1 4.34 1.34 0.5 1 4.34 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Cutting Impact Attrition Compression Cutting Impact Attrition Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Neither A nor B Bulk density Both A & B Lump size Neither A nor B Bulk density Both A & B Lump size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Compartment Rod and tube All of these Ball and pebble Compartment Rod and tube All of these Ball and pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
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