Most Cermets, which normally have high thermal conductivity and high thermal shock resistance, comprises of ceramic & metallic components of __________ percent respectively.
Options
A. 80 and 20
B. 20 and 80
C. 50 and 50
D. 60 and 40
Correct Answer
80 and 20
More questions
1. Use of 'grinding aids' is done in __________ grinding.