Question

During tension testing, the material must be held in _____________ alignment.

(a) normal

(b) axial

(c) parallel

(d) diabolical

I had been asked this question by my college professor while I was bunking the class.

The question is from Aircraft Materials topic in section Testing Aircraft Materials of Aerospace Materials & Processes

Answer 1

Right answer is (a) normal

Explanation: The material or the specimen should be positioned in true axial alignment. This is considered vital, especially since materials used in aircraft construction are thin. This will avoid damaging them.