Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. At least equal to Much more than Slightly more than Less than At least equal to Much more than Slightly more than Less than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Feed size Diameter of the rolls Speed of the rolls Product size Feed size Diameter of the rolls Speed of the rolls Product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Grizzly Vibrating screen Shaking screen Trommel Grizzly Vibrating screen Shaking screen Trommel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. Compressible cakes and laminar Compressible cake and turbulent Incompressible cake and turbulent Incompressible cake and laminar Compressible cakes and laminar Compressible cake and turbulent Incompressible cake and turbulent Incompressible cake and laminar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 2.5 times 10 times 5 times Same as 2.5 times 10 times 5 times Same as ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one tonne of feed to 200 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one tonne of feed to 200 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen ANSWER DOWNLOAD EXAMIANS APP