Which of the following corrosion defects that affect the reliability of tubing?(a) Selective weld metal attack(b) Improper pickling and heat treatment(c) Residual stresses, selective weld metal attack, improper pickling, and heat treatment(d) Selective weld metal attack and residual stressesI have been asked this question during an interview.My query is from Environments topic in division Other Environments of Corrosion Engineering

Which of the following corrosion defects that affect the reliability o

1.	Which of the following corrosion defects that affect the reliability of tubing?(a) Selective weld metal attack(b) Improper pickling and heat treatment(c) Residual stresses, selective weld metal attack, improper pickling, and heat treatment(d) Selective weld metal attack and residual stressesI have been asked this question during an interview.My query is from Environments topic in division Other Environments of Corrosion Engineering
Answer» The correct ANSWER is (c) Residual stresses, SELECTIVE weld metal attack, IMPROPER pickling, and heat treatment The BEST I can explain: Corrosion DEFECTS that affect the reliability of tubing are: i. Inadequate alloying ii. Selective weld metal attack iii. Improper pickling iv. Residual stresses v. Improper heat treatment.

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