Which of the following is true of DCEN?
A) DCEN concentrates the heat in the tip of the electrode.
B) With DCEN, a pointed tip concentrates the arc.
C) With DCEN, arc starting with a high-voltage electrical discharge is more difficult.
D) With DCEN, the electrode becomes damaged in a short period of time.
Correct Answer:
Verified
Q3: Which of the following is true of
Q4: DCEN concentrates about _ of its welding
Q5: With _, penetration and bead profile are
Q6: Which of the following is a way
Q7: The _ protects the molten weld pool,
Q9: Adding _ has the same effect on
Q10: Which of the following is true of
Q11: DCEP concentrates _ of the arc heat
Q12: The improved electron emission of the _
Q13: _ electrodes have a current-carrying capacity similar
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