Question

question 15
2 pts
what is the general rule for setting arc length?
should not exceed diameter of core wire
should not exceed twice the diameter of core wire
should not exceed 1.5 times the electrode core wire
should not exceed half the diameter of the core wire
question 16
2 pts
which of the following are considered to be weld discontinuities?
incorrect weld size
excessive reinforcement
incorrect weld profile
cracks

Explanation:

In welding, the general rule for setting arc - length is related to the core wire diameter for proper welding performance. Incorrect weld size, excessive reinforcement, incorrect weld profile, and cracks are all issues that can lead to weld discontinuities.

Answer:

Question 15: should not exceed half the diameter of the core wire
Question 16: Incorrect weld size, excessive reinforcement, incorrect weld profile, cracks