API 571 FOR API 510/570 (C.U.I.)

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Author:
egf4201
ID:
299886
Filename:
API 571 FOR API 510/570 (C.U.I.)
Updated:
2015-11-19 11:13:09
Tags:
API 571 510 570
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API 571 FOR API 510/570 (C.U.I.)
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API 571 FOR API 510/570 (C.U.I.)
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  1. CUI is an inspection concern for insulated carbon steel equipment that operates between:
    10 to 350 deg F
  2. CUI is an inspection concern for insulated austenitic stainless steel equipment that operates between:
    140 to 400 deg F
  3. CUI is an inspection concern for insulated vessels that operate at 500 deg F and:
    is in intermittent service
  4. Which of the following insulated equipment is most likely to experience CUI?
    A) SS vessel that operates continuously at 100 deg F
    B) CS vessel that operates continuously at -20 deg F
    C) CS vessel that operates at cyclic temps ranging between 375-600 deg F 
    D) CS vessel that operates continuously at 375 deg F
    E) CS vessel with operating temp of 600 deg F but is in an intermittent service
    E) CS vessel with operating temperature of 600 deg F but is in intermittent service
    (this multiple choice question has been scrambled)
  5. CUI is most severe when metal temps are between:
    212 to 350 deg F
  6. If the metal temp increases, while still in the CUI temp range, the corrosion rate:
    will increase
  7. Which of the following is not a common location of CUI on piping?
    A) Bolted on pipe shoes
    B) Piping spec breaks
    C) First few feet of horizontal pipe attached to a bottom of a vertical pipe run
    D) Steam tracing tubing penetrations
    E) Insulation terminations
    B) piping spec breaks
    (this multiple choice question has been scrambled)
  8. CUI on carbon steel or low alloy materials appears as:
    localized pitted or localized wall loss
  9. CUI on 300 series SS materials appears as:
    cracking or localized pitting or localized wall loss
  10. What causes the CUI cracking on 300 series SS materials
    Chlorides
  11. Which of the following in not a method to prevent CUI?
    A) flame sprayed aluminum coatings
    B) Wishful thinking
    C) Non-metallic coatings
    D) Use of closed-cell foam glass insulations
    B) wishful thinking
    (this multiple choice question has been scrambled)
  12. Which of the following is not a method to inspect for CUI?
    A) De-insulate and Visual inspection
    B) guided wave UT
    C) MFL
    D) Real-time profile RT
    E) Neutron backscatter
    C) MFL
    (this multiple choice question has been scrambled)

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