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CSS Solved Papers
Physics Chemistry

Engineering :: Machine Design


  A thin cylinder contains fluid at a pressure of 30 kg kg/cm2, the internal diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have a minimum wall thickness of
[A]. 1 mm[B]. 9 mm
[C]. 10 mm[D]. 12 mm
[E]. 27 mm    

Answer: Option C


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