Engineering Materials MCQ with Answers

Engineering Materials MCQ with Answers

6) If equal and opposite forces applied to a body tend to elongate it, the stress so produced is called

Answer is:

tensile stress

7) The materials having same elastic properties in all directions are called

Answer is:

isotropic materials

8) A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under

Answer is:

increase uniformly first and then increase rapidly

9) Modulus of rigidity is defined as the ratio of

Answer is:

shear stress and shear strain

10) If the radius of wire stretched by a load is doubled, then its Young′s modulus will be

Answer is:

remain unaffected.