Multiple Choice
____ can be used to back any type of pipe if a welder is unsure about a less expensive substitution.
A) Nitrogen
B) Carbon dioxide
C) Oxygen
D) Argon
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q30: Most codes and standards for GTA pipe
Q31: What is the weld pass that can
Q32: Which of the following is a measure
Q33: In preparing the pipe for welding, the
Q34: The amount of concavity in a root
Q36: The end of the pipe is prepared
Q37: Incomplete fusion can be detected by _.<br>A)
Q38: The _ is the distance between the
Q39: What might affect the selection of the
Q40: The _ is the next weld layer(s)