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Question
Pick out the wrong statement?
Options:
A .  Close circuit grinding is more economical than open circuit grinding
B .  Cod oil, beef tallow or aluminium stearates are used as grinding aids in cement ‘industries’
C .  The equipment used for the removal of traces of solids from a liquid is called a classifier
D .  Size enlargement is a mechanical operation exemplified by medicinal tablet making
Answer: Option C
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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