Numerical - Thickness of flat head, given

Q.  A cylindrical pressure vessel is subjected to an internal pressure of 3 Mpa on internal diameter of 1000 mm. The vessel is fabricated with single weld butt joint with back strip and is not radio-graphed. What is the thickness of flat head, if head made of alloy steel has an ultimate tensile strength of 400 N/mm2 ? (corrosion allowance = 2)
- Published on 16 Sep 15

a. 110 mm
b. 120 mm
c. 150.23 mm
d. 152.13 mm

ANSWER: 110 mm

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