Problem Statement: ECE Board November 1998An iron column of annular cross-section has an outer diameter of 200 mm and is subjected to a force of 74 kN. Find the thickness of the wall if the allowable compressive stress is 10 MPa.
- A. 12.75 mm
- B. 12.57 mm
- C. 17.75 mm
- D. 15.75 mm
Problem Answer:The thickness of the wall is 12.75 mm.
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