Mechanical Operations
Cartridge filters are termed as 'edge' filters, because of the fact that the

None of these
Solids are not deposited at the edge of the disk
Bulk of the solids are removed at the periphery of the disks
Disks have very sharp edge

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Mechanical Operations
Pick out the wrong statement pertaining to the turbine agitator.

Pitched blade turbine agitator gives only radial flow with complete absence of the axial flow
Recommended peripheral speed for the turbine agitator is 200-250 metres/minute
Generally, the diameter of the agitator is kept between l/3rd to l/6th of the tank diameter while the blade length is l/4th of agitator diameter (with central disc, it is l/8th of the agitator diamete
Turbine agitator should be located at a height not less than one agitator diameter length from the bottom. If the depth of liquid in the tank is more than twice the agitator diameter, two agitators sh

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