Question

The second part of specified extensions in the extensions under load method typically involves adding an elongation of ____ inch per inch of gage length.

(a) 0.2

(b) 2.02

(c) 0.02

(d) 0.002

This question was addressed to me during a job interview.

The above asked question is from Aircraft Materials topic in portion Testing Aircraft Materials of Aerospace Materials & Processes

Answer 1

Right choice is (d) 0.002

The best explanation: The extensions under load method consists of two sections. First is elongation depending on the modulus of elasticity of object and expected yield strength and the second involves adding an extra elongation of 0.002 inch per inch gage length.