Mechanical Operations Mcqs for Chemical

Q.  Pick out the wrong statement?

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: See Answer
 
No explanation is available for this question!
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