The necessary wall thickness for a metallic storage vessel is a function of the ___________________?
Correct answer: D. All A., B. and C.
- A. Ultimate tensile strength (or yield point) of the material and operating temperature
- B. Operating pressure and welding/joint efficiency
- C. Diameter of the vessel
- D. All A., B. and C.
Explanation
Vessel thickness is set by the pressure-induced stress, vessel diameter, allowable material strength at operating temperature, and joint efficiency. Since all three listed groups affect the design, option D is correct.
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