QUESTIONS
  1. Write Lame’s equation for stress in thick cylinder. How it is used in the analyses of stresses in thick cylinder?
  2. How are thin and thick cylinders classified?
  3. Discuss the methods of reducing the internal hoop stress in thick cylinders.
  4. Where will hoop stress be maximum in a thick cylinder? Why?
  5. What is a compound cylinder? State the advantages of a compound cylinder.
  6. A thick cylinder 180 mm internal diameter is subjected to an internal pressure of 3 N/mm2. Determine the thickness required if the permissible stress is 22.5 N/mm2.
  7. The allowable maximum stress in a thick cylinder of radii 10 cm and 15 cm is 25 N/mm2. If the external pressure is zero what internal pressure can be applied?
  8. A compound tube 12 cm internal diameter and 24 ...

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