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
1.5k
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