Which of the following can be most effectively used for clarification of lube oil and printing ink ?

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In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the _____________ crushing?

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Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the ______________________?

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____________ conveyor is the most suitable for long distance transportation of cold, nonabrasive granular/irregular shape/fine materials?

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