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Fatigue Failure Exam question

Fatigue Failure Exam question

Fatigue Failure Exam question

Another 2 certification exam questions would be this one:
1. A fatigue failure is characteristic by the appearance of the fracture surface. It woould be:
  a. Rough and torn
  b. Cheveron - like
  c. Smooth
  d. Non of the above

2. What constituent is needed in a coating of an electrode to prevent the formation of porosity in welding of rimming?
  a. Iron powder
  b. calcium fluoride
  c. Silicon
  d. Calcium carbonate

RE: Fatigue Failure Exam question

1 i beleive is B, off the top of my head

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