AG Mechanics CDE Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

When stick welding, if the arc is too long, what characteristic is likely to be observed?

Dark bead

When stick welding, if the arc is too long, a characteristic that is likely to be observed is a dark bead. A dark bead indicates that the welding arc was not properly shielding the weld pool, leading to incomplete penetration and an unsatisfactory weld.

The other options are incorrect because:

- Porous weld would typically result from issues such as contamination or improper gas coverage, not specifically from having an arc that is too long.

- Splattered bead would indicate that the welding parameters are not set correctly, but specifically not related to the length of the arc.

- Weakened arc is not a common characteristic attributed to having an arc that is too long; it may indicate issues with the power supply or other factors.

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Porous weld

Splattered bead

Weakened arc

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