Calculate the maximum allowable internal pressure, Mechanical Engineering

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Calculate the maximum allowable internal pressure to which a cylinder with an internal diameter of 200 mm and external diameter of 300 mm may be subjected if the cylinder is to have a factor of safety of 3. Use maximum shear stress theory of failure. Yield point stress calculated by actual test for the material is 300N/mm2. What will be the internal pressure if the maximum stress theory of failure is used ?


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