1. The ability of a material to resist to permanent shape change due to external stress is called
(A) Hardness
(B) Density
(C) Ductility
(D) Strength
2. The property of a material enabling it to be drawn into wire is called
(A) Ductility
(B) Toughness
(C) Malleability
(D) Strength
3. The property of material from which it will come back in its original shape again is called
(A) Plasticity
(B) Hardness
(C) Ductility
(D) Elasticity
4. Young’s modulus of a material is called
(A) Toughness
(B) Stiffness
(C) Ductility
(D) Brittleness
5. Testing without any deformation is called
(A) Non destructive testing
(B) Destructive testing
(C) Tensile testing
(D) All of above