Chemical Engineering - Chemical Engineering Basics - Discussion
Discussion Forum : Chemical Engineering Basics - Section 1 (Q.No. 27)
27.
__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.
Discussion:
6 comments Page 1 of 1.
Ankit said:
8 years ago
Answer is still confusing because hardest material is diamond and then zirconium oxide (slice ceramics).
(2)
Apurv said:
6 years ago
Alumina is the Right Answer.
Tayo said:
6 years ago
Zirconia is the right answer.
Rahuladithya said:
5 years ago
Which is correct Alumina or Zirconia?
Shivam said:
5 years ago
Alumina is right.
Jayraj said:
2 years ago
Alumina is the correct answer.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers