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