ASME Section I Chapter Code Calculations Quiz
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Questions and Answers

Which type of steel is SA-516 according to the text?

  • Alloy steel
  • Carbon steel (correct)
  • Ferritic steel
  • Austenitic steel

    • What is the value of y for a carbon steel operating at 250°C?

  • 0.2
  • 0.8
  • 0.6
  • 0.4 (correct)

    • What is the minimum required thickness of a superheater outlet header operating at 510°C with a MAWP of 17 MPa?

  • 55.06 mm
  • 70.79 mm (correct)
  • 5.26 MPa
  • 17.0 MPa

    • What is the value of y for a ferritic alloy steel at 510°C?

    <p>0.5</p> Signup and view all the answers

    What is the minimum required thickness for a seamless steel feedwater pipe of material SA-335-P1 operating at 510°C and a pressure of 5200 kPa?

    <p>70.79 mm</p> Signup and view all the answers

    Which equation should be used to calculate the minimum required thickness of a boiler drum if the inside radius is given?

    <p>$t = PRSE-(l-y)P + c$</p> Signup and view all the answers

    What is the maximum outside diameter of tubing that can be calculated using the equation in PG-27.2.1?

    <p>125 mm</p> Signup and view all the answers

    What is the formula to find the maximum allowable working pressure (MAWP) if the outside diameter is given for piping?

    <p>$p = 2SE(t-C)D-2y(t-C)$</p> Signup and view all the answers

    What is the efficiency of the ligaments between the tube holes in Example 3?

    <p>0.5</p> Signup and view all the answers

    What is the material specification of the drum plate in Example 3?

    <p>SA-516-65</p> Signup and view all the answers

    According to the ASME BPVC I PG-27.2.2, what equation is used to ensure that the minimum shell thickness has not been reached with corrosion?

    <p>t =.<em>PD</em>+C 2SE + 2yP</p> Signup and view all the answers

    What values are substituted into the equation to calculate the thickness?

    <p>4.1, 5.2 MPa, 168.28 mm, 41.7 MPa, 0.5, 875.06, 88.6</p> Signup and view all the answers

    What is the result of the thickness calculation?

    <p>9.88 mm</p> Signup and view all the answers

    What must be considered when ordering a pipe in terms of thickness?

    <p>Manufacturer's tolerance</p> Signup and view all the answers

    What is the purpose of monitoring corrosion and calculating the minimum shell thickness?

    <p>To ensure safe operation of the boiler</p> Signup and view all the answers

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