ASME BPV Code Quiz

What is the safety factor against tensile failure in ASME BPV Code Section VIII, Division 1?

• 2.5

• 3.0

• 3.5

• 4.0

Answer explanation

Division 1

•Rigorous analysis of local thermal and fatigue stresses not required

•Safety factor of 3.5 against tensile failure and 1.25 for 100,000 hourcreep rupture

•Limited to design pressures below 3000 psi (but usually costs more than Div. 2 above about 1500 psi)

In ASME BPV Code Section VIII, Division 1, what is the design pressure limit for vessels?

• 1000 psi

• 3000 psi

• 5000 psi

• 4000 psi

ASME B16.5 covers which components?

• Pressure relief devices

• Pipe flanges and flanged fittings

• Welded storage tanks

• Factory-made buttwelding fittings

Answer explanation

•Storage tanks are usually not designed to BPV Code

•API Standard 620, Large low pressure storage tanks, Pressure 0.5 to 15 psig

•API Standard 650, Welded storage tanks, Pressures up to 0.5 psig

•Fittings are covered by other ASME codes

•ASME B16.5, Pipe flanges and flanged fittings

•ASME B16.9, Factory-made wrought buttwelding fittings

•ASME B16.11 Forged fittings, socket welding and threaded

•ASME B16.47, Large diameter steel flanges NPS26 Through NPS60

•Piping is covered by a different ASME code

•ASME B16.3, Process piping

•Heat exchangers have additional codes set by TEMA

Which material type is governed by Part UCS in ASME BPV Code Section VIII, Division 1?

• Cast iron

• Fiber-reinforced plastic

• Carbon and low alloy steels

• High alloy steel

Answer explanation

•Part UCS - Requirements for Pressure Vessels Constructed of Carbon and Low Alloy Steels

•Part UNF - Requirements for Pressure Vessels Constructed of Nonferrous Materials

•Part UHA Requirements for Pressure Vessels Constructed of High Alloy Steel

•Part UCI - Requirements for Pressure Vessels Constructed of Cast Iron

•Part UCL - Requirements for Welded Pressure Vessels Constructed of Material With Corrosion Resistant Integral Cladding, Weld Metal Overlay Cladding, or With Applied Linings

•Part UCD - Requirements for Pressure Vessels Constructed of Cast Ductile Iron

•Part UHT Requirements for Pressure Vessels Constructed of Ferritic Steels With Tensile Properties Enhanced by Heat Treatment.

•Part ULW Requirements for Pressure Vessels Fabricated by Layered Construction

•Part ULT Alternative Rules for Pressure Vessels Constructed of Materials Having Higher Allowable Stresses at Low Temperature

•Part UHX - Rules for Shell-and-Tube Heat Exchangers

•Part UIG - Requirements for Pressure Vessels Constructed of Impregnated Graphite

The ASME BPV Code Section that regulates transport tanks is:

• Section I

• Section III

• Section XI

• Section XII

Answer explanation

ASME BPV Code is the legally required standard for pressure vessel design, fabrication, inspection and testing in North America

Section

I  Rules for construction of power boilers

II  Materials

III  Nuclear power plant components

IV  Rules for construction of heating boilers

V  Nondestructive examination

VI  Recommended rules for the care and operation of heating boilers

VII  Recommended guidelines for the care of power boilers

VIII  Rules for the construction of pressure vessels

  Division 1

  Division 2  Alternative rules

  Division 3  Alternative rules for the construction of high pressure vessels

IX  Welding and brazing qualifications

X  Fiber-reinforced plastic vessels

XI  Rules for in service inspection of nuclear power plant components

XII  Rules for construction and continued service of transport tanks

The European Standard equivalent to ASME BPV Code for pressure vessels is:

• EN 13445

• PD 5500

• API 620

• ASME B16.3

Answer explanation

British Standard PD 5500 Or
the European Standard EN 13445 Or
American Society of Mechanical Engineers code Section VIII (the ASME code).

Which standard applies to large low-pressure storage tanks?

• API 650

• API 620

• ASME B31.3

• TEMA

Answer explanation

•Storage tanks are usually not designed to BPV Code

•API Standard 620, Large low pressure storage tanks, Pressure 0.5 to 15 psig

•API Standard 650, Welded storage tanks, Pressures up to 0.5 psig