Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Helical screw Flat blade turbine Curved blade turbine Propeller Helical screw Flat blade turbine Curved blade turbine Propeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Same porosity throughout the cake thickness Maximum porosity at the filter medium Maximum porosity at the upstream side None of these Same porosity throughout the cake thickness Maximum porosity at the filter medium Maximum porosity at the upstream side None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the None of these Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk Disks have very sharp edge None of these Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk Disks have very sharp edge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D³ M ∝ D M ∝ D² M ∝ √D M ∝ D³ M ∝ D M ∝ D² M ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Jigging Tabling Froth floatation Classification Jigging Tabling Froth floatation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated With minimum possible small balls At a speed equal to the critical speed At a speed more than the critical speed At a speed less than the critical speed With minimum possible small balls At a speed equal to the critical speed At a speed more than the critical speed At a speed less than the critical speed ANSWER DOWNLOAD EXAMIANS APP
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