Question

Before using the welding torch to teach, check whether the pressure equalization device of the welding torch is good, whether the operation is normal, and at the same time the electrode head is required ( ).
A. Replace with a new electrode tip
B. Use electrode tips with high wear consumption
C. New or old
D. No effect on the electrode tip

Answer 1

Answer: A. Replace with a new electrode tip.

Analysis: Before using the welding torch to teach, check whether the pressure equalizing device of the welding torch is good and whether the action is normal, and at the same time, replace the electrode head with a new electrode head.