Question

The shore scleroscope hardness test is carried out by ________ a tiny diamond-pointed hammer from a particular altitude and comparing the altitude of rebound to a standard test material.

(a) inserting

(b) cutting

(c) smoothly pressing

(d) dropping

I have been asked this question during an interview.

This key question is from Aircraft Materials topic in chapter Testing Aircraft Materials of Aerospace Materials & Processes

Answer 1

The correct option is (d) dropping

The best I can explain: This hardness test is carried out by comparing the rebound altitude of the test material after dropping a tiny diamond pointed hammer on the test specimen, to that of a standard test material.