Numerical - Find pressure vessel thickness

Q.  A cylindrical pressure vessel is subjected to operating pressure of 0.55 Mpa and corrosion allowance of 2. What is the thickness of pressure vessel shell if its internal diameter is 2000 mm? (σall = 120 N/mm2 & ηl = 0.75)
- Published on 16 Sep 15

a. 6.5 mm
b. 7 mm
c. 9 mm
d. 9.5 mm

ANSWER: 9 mm

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