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Chemical Engineering - Mechanical Operations - Discussion

Discussion Forum : Mechanical Operations - Section 1 (Q.No. 33)
Mechanical Operations
33.
Pick out the wrong statement.
Close circuit grinding is more economical than open circuit grinding.
Cod oil, beef tallow or aluminium stearates are used as grinding aids in cement 'industries'.
The equipment used for the removal of traces of solids from a liquid is called a classifier.
Size enlargement is a mechanical operation exemplified by medicinal tablet making.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.
Anjali said:   7 years ago
A device that seperates the solid into two fractions is called classifier.
KRR said:   4 years ago
A settler that removes virtually all the particles from a liquid is known as a clarifier, whereas a device that separates the solids into two fractions is called a classifier.
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