Engineering Board Exam Reviewer · Strength of Materials · medium
A thin-walled cylindrical tank with an inside diameter of 800 mm and a wall thickness of 10 mm is under an internal pressure of 1.5 MPa. What is the circumferential (hoop) stress?
- 30
- 120
- 15
- 60
Answer
D. 60
Solution
σhoop = pd/(2t) = (1.5)(800)/(2 × 10) = 60 MPa.
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