Mechanical Operations
Removal of activated carbon from glycerine is done by

Rotary vacuum filter
Batch basket centrifuge
None of these
Plate and frame filter

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Mechanical Operations
Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the

Dry chemicals
Powdered food & granular materials
Heavy tonnages of rocks or gravel
Light metal powder down upto 4 meshsize

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