A cylindrical pressure vessel of volume 6 πm3 has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm2 and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to________________?
Correct answer: D. 10 mm
- A. 5 mm
- B. 6 mm
- C. 8 mm
- D. 10 mm
Explanation
With L/D = 3, the vessel dimensions are D = 2 m and L = 6 m. The cylindrical-shell pressure thickness is about 8 mm, and adding the 2 mm corrosion allowance gives approximately 10 mm.
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