# VIVA QUESTIONS of Strength of Materials

- What is the difference between stress and strain?
- Explain the concept of elasticity and plasticity.
- What is Hooke's Law and its limitations?
- What is the difference between tensile and compressive stress?
- What is the yield strength and ultimate tensile strength of a material?
- What is the modulus of elasticity and how is it determined?
- Explain the concept of brittle and ductile materials.
- What is the difference between shear stress and shear strain?
- What is the difference between normal stress and shear stress?
- Explain the concept of torsion in a shaft and how it is calculated.
- What is the difference between elastic and inelastic deformation?
- Explain the concept of Poisson's ratio and how it is determined.
- What is the difference between direct and indirect loading?
- Explain the concept of bending moment and how it is calculated.
- What is the difference between modulus of rigidity and modulus of elasticity?
- Explain the concept of thin-walled cylinder and how it is calculated.
- What is the difference between a statically determinate and indeterminate structure?
- Explain the concept of deflection in a beam and how it is calculated.
- What is the difference between a truss and a frame?
- Explain the concept of buckling in a column and how it is calculated.
- What is the difference between a cantilever and a simply supported beam?
- Explain the concept of shear center in a beam and how it is determined.
- What is the difference between a point load and a distributed load?
- Explain the concept of temperature stress and how it is calculated.
- What is the difference between a principal stress and a normal stress?
- Explain the concept of Mohr's circle and how it is used to determine stress and strain.
- What is the difference between a statically determinate and indeterminate truss?
- Explain the concept of column efficiency and how it is calculated.
- What is the difference between a beam and a column?
- Explain the concept of energy method in structural analysis.
- What is the difference between a statically determinate and indeterminate frame?
- Explain the concept of thin-walled tube and how it is calculated.
- What is the difference between a short column and a long column?
- Explain the concept of moment of inertia and how it is calculated.
- What is the difference between a point load and a concentrated load?
- Explain the concept of principle of virtual work and how it is used in structural analysis.
- What is the difference between a statically determinate and indeterminate structure?
- Explain the concept of shear force and how it is calculated.
- What is the difference between a composite beam and a built-up beam?
- Explain the concept of torsional rigidity and how it is calculated.
- What is the difference between a statically determinate and indeterminate truss?
- Explain the concept of shear center in a beam and how it is determined.
- What is the difference between a simply supported beam and a fixed beam?
- Explain the concept of bending stress and how it is calculated.
- What is the difference between a point load and a distributed load?
- Explain the concept of strain energy and how it is calculated.
- What is the difference between a statically determinate and indeterminate frame?
- Explain the concept of buckling in a shaft and how it is calculated.
- What is the difference between a tensile test and a compression test?
- Explain the concept of column buckling and how it is calculated.
- What is the difference between a statically determinate and indeterminate truss?
- Explain the concept of beam deflection and how it is calculated.
- What is the difference between a cantilever beam and a simply supported beam?
- Explain the concept of torsion in a shaft and how it is calculated.
- What is the difference between a point load and a distributed load?

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