Question: Aluminium oxide (an abrasive) is used for grinding
[A].
ceramics 
high speed steel 
cemented carbide 
none of these 
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.