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