May 2012
Intermediate to advanced
485 pages
10h 45m
English
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QUESTIONS
- Define resilience, modulus of resilience and proof resilience.
- Derive the expression for strain energy stored in an axially loaded bar.
- Show the relationship between suddenly loaded and gradually loaded rod.
- What is shear modulus? How strain energy stored in a body due to shear is calculated?
- How the principal stresses are related to principal stresses and Poisson’s ratio?
- 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?
- 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.
- An unknown weight falls 3 cm on to a collar attached to the lower end of a vertical ...