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Q. |
A spherical pressure vessel is made of thin magnesium plate 0.25 cm thick. The main diameter of the sphere is 600 cm and allowable stress in tension is 900 kg/cm2. The safe internal gas pressure for the vessel would be |
A. | 5.5 kg/cm2 |
B. | 3.0 kg/cm2 |
C. | 0.5 kg/cm2 |
D. | 4.77 kg/cm2 |
E. | 1.5 kg/cm2 |
Answer» E. 1.5 kg/cm2 |
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