Q.

On Moh's scale, materials with hardness number less than 4 are

A. Topaz, Corundum, Diamond
B. Hardened and tempered
C. Felspar, corundum, Diamond
D. Fluorite, Felsper, Talc
E. Talc, gypsum, calcite
Answer» E. Talc, gypsum, calcite
2.4k
0
Do you find this helpful?
24

View all MCQs in

Metallurgy

Discussion

No comments yet