Mechanical Operations
A filter press is

A batch filter
Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure
Having prohibitively high maintenance cost
Not suitable, if the liquid is the main product

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

Recommended peripheral speed for the turbine agitator is 200-250 metres/minute
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
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
Pitched blade turbine agitator gives only radial flow with complete absence of the axial flow

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Mechanical Operations
Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them.

Jaw crusher, Ball mill, Fluid energy mill
Fluid energy mill, Ball mill, Jaw crusher
Ball mill, Jaw crusher, Fluid energy mill
Fluid energy mill, Jaw crusher, Ball mill

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