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A sphrical pressure vessel of diameter 500 mm with 8 mm wall thickness is given a coating of lacquer which cracked when the strain reaches 1.5×10−4 . Take E=2.05×105 N/mm2. Poisson's ratio μ=0.30. The integral pressure at which the lacquer cracked is MPa2.81 |
Answer» A sphrical pressure vessel of diameter 500 mm with 8 mm wall thickness is given a coating of lacquer which cracked when the strain reaches 1.5×10−4 . Take E=2.05×105 N/mm2. Poisson's ratio μ=0.30. The integral pressure at which the lacquer cracked is MPa
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