api 571 for api 510/570 (brittle fracture

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egf4201
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298124
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api 571 for api 510/570 (brittle fracture
Updated:
2015-11-19 11:17:21
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api 571 510 570 brittle fracture
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api 571 for api 510/570 (brittle fracture
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api 571 for api 510/570 (brittle fracture
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  1. a brittle fracture
    grows very rapidly with minimum deformation prior to failure
  2. which of the following materials is least affected by brittle fracture?
    A) carbon steel
    B) chromes
    C) 300 series SS
    D) 400 series SS
    E) all stainless steels
    300 series SS
  3. which of the following is not a critical factor that contributes to a brittle fracture?
    A) the materials fracture toughness
    B) maximum operating temperature
    C) stress concentration at a flaw
    D) magnitude of the residual stresses
    maximum operating temp
  4. resistance to brittle fracture is called
    toughness
  5. which of the following increases the likelihood of brittle fracture
    A) larger grain size
    B) operational temps above 800 deg F
    C) steels less the 1/4" thick
    D)the addition of nickel in the material
    larger grain size
  6. which of the following increases the likelihood of brittle fracture?
    A) smaller grain size
    B) operating temps above transitional temps
    C) thicker materials
    D) the addition of nickel in the material
    thicker materials
  7. what test is used to determine a material's toughness
    charpy impact test
  8. most brittle failures occur:
    below the impact transition temperature
  9. ASME section 8 had few limitations concerning brittle fracture prior to:
    1987
  10. a 4" thick 5 chrome vessel operates at 1200 psig and 900 deg F. When is this vessel least likely to fail by brittle fracture?
    normal operation
  11. most brittle failures appear as:
    cleveage
  12. which of the following is not a method used to prevent brittle fracture
    A) thorough inspections
    B) strict controls on selecting construction materials
    C) post weld heat treatment
    D) controlling minimum operating temperatures
    thorough inspections

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