AWS CWI Certification chennai

Q:- Flame cut preparation may, during welding, increase the likelihood of :

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(a) Cracking.
(b) Misalignment problems.
(c) Inclusions.
(d) All of the above.

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Q:- Which of these statements are true concerning lamellar tearing

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  • A hydrogen level increase lamellar tearing which more likely
  • As material thickness increase ductility decease making lamellar tearing more likely
  • Lamellar tearing occur in a HAZ
  • Lamellar tearing effect all type of joints