QUESTIONS
  1. Define resilience, modulus of resilience and proof resilience.
  2. Derive the expression for strain energy stored in an axially loaded bar.
  3. Show the relationship between suddenly loaded and gradually loaded rod.
  4. What is shear modulus? How strain energy stored in a body due to shear is calculated?
  5. How the principal stresses are related to principal stresses and Poisson’s ratio?
  6. A rod is subjected to a gradually increasing load which causes a normal stress of 8 N/mm2. If the same load is applied suddenly, what is the normal stress set-up?
  7. The shear stress in a material is 60 N/mm2. Calculate the strain energy per unit volume assuming C to be 8 × 104 N/mm2.
  8. An unknown weight falls 3 cm on to a collar attached to the lower end of a vertical ...

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