Multiple Choice
The major atmospheric contaminations come from ____.
A) carbon monoxide
B) carbon dioxide and nitrogen
C) oxygen and nitrogen
D) ozone
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q5: In the electrode classification system, the "T"
Q6: If you feed out 10 feet of
Q7: _ are added to the flux and
Q8: _ can be added to improve hardness,
Q9: The American Welding Society defines _ as
Q11: Which of the following is true of
Q12: In FCAW, atmospheric shielding is _.<br>A) provided
Q13: FCAW electrodes have a flux that is
Q14: What device can be added to a
Q15: The main limitation of flux cored arc