Mathematics · Mechanics of Materials
Determine the square of the internal diameter of a hollow steel column, if its external diameter is 220 mm. The ultimate stress for the column carrying an axial load of 2.4 MN is 500 N/mm2. Consider a factor of safety = 5 and π = 3.14.
- 123245.25 mm2
- 210257.36 mm2
- 330986.54 mm2
- 417826.75 mm2✓
Correct answer
17826.75 mm2
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