Question

If you are given with a soft metallic samples for example lead, magnesium, Tin, Aluminium etc. and you are given options to either use the Rockwell test or the Brinell test for measuring their hardnesses. Which hardness testing method you would choose and why?

Answer 1

Answer:

Rockwell test

Explanation:

The Rockwell test dependent on the contrast between the space profundity of the indenter by the two distinctive burden utilized. The Rockwell test is best in light of the fact that these delicate metals like tin, aluminum, magnesium, lead are having smooth surface. So the two diverse space are plainly unmistakable and no uncertainty.