SUPER IMPORTANT QUESTIONS
MODULE-1
-STRESSES & STRAIN
1. Define the following: Elasticity, plasticity, ductility, malleability, toughness, resilience, stiffness
hardness, factor of safety, Poisson's ratio, bulk modulus, modulus of elasticity, rigidity modulus,
Proof stress, true stress, true strain.
2. Derive an expression for total elongation of a tapered circular bar subjected to axial load P. 3.
Derive an expression for total elongation of a tapered rectangular bar subjected to axial load P.
Derive an expression for young’s modulus E in terms of bulk modulus K and Poisson’s ratio µ. 5
Derive an expression for young’s modulus E in terms of Rigidity modulus and Poisson’s ratio µ.
6. Derive an expression for the elastic constants E, G, and K.
7. State Hooke’s law. Explain stress-strain diagram for steel indicating salient points and zones
8. State the assumptions made while considering bars subjected to uniaxial loading
MODULE-1
-STRESSES & STRAIN
1. Define the following: Elasticity, plasticity, ductility, malleability, toughness, resilience, stiffness
hardness, factor of safety, Poisson's ratio, bulk modulus, modulus of elasticity, rigidity modulus,
Proof stress, true stress, true strain.
2. Derive an expression for total elongation of a tapered circular bar subjected to axial load P. 3.
Derive an expression for total elongation of a tapered rectangular bar subjected to axial load P.
Derive an expression for young’s modulus E in terms of bulk modulus K and Poisson’s ratio µ. 5
Derive an expression for young’s modulus E in terms of Rigidity modulus and Poisson’s ratio µ.
6. Derive an expression for the elastic constants E, G, and K.
7. State Hooke’s law. Explain stress-strain diagram for steel indicating salient points and zones
8. State the assumptions made while considering bars subjected to uniaxial loading
