Question

In the torsion test, there are two clamps. The clamps are _________

(a) both fixed

(b) one fixed one rotating

(c) both rotating

(d) both joined permanently

The question was asked in an interview.

Origin of the question is Aircraft Materials in division Testing Aircraft Materials of Aerospace Materials & Processes

Answer 1

Right answer is (b) one fixed one rotating

To elaborate: There are two clamps present in the experimental set up of the torsion test. One of the clamps is fixed while the other one is rotatable. In the experiment, the rotatable clamp is moved at a certain speed.