9) Modulus of rigidity is defined as the ratio of
Answer is:
shear stress and shear strain
Related Engineering Materials MCQ with Answers
Answer is:
remain unaffected.
Answer is:
more
Answer is:
original cross-sectional area
Answer is:
toughness
Explanation:
Toughness:
When a huge external force is applied on a metal, the metal will experience fracture. Toughness is the ability of a metal to resist fracture. The ability of a material to resist fracture due to high impact loads, is called toughness.
Hardness:
Hardness is the ability of a metal to resist permanent change of shape caused by an external force.
