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27: Review Questions
Refer to Figure 24-34. What welding rod and torch tip size should be used for welding 1/8″ (3.2 mm) thick mild steel?
When creating a continuous weld pool, how is penetration indicated?
The two angles that accurately describe how to hold the torch while welding or cutting are called the _____ angle and the _____ angle. Explain how these two angles are measured.
How does a welder know when the welding rod diameter is too large?
List three types of joints that can be welded without using a welding rod.
Metal that is _____″ (_____ mm) or thicker should have its edges prepared by machining or flame cutting.
Why should pieces be tack welded before they are welded?
Which of the following will help ensure 100% penetration of a butt joint on thick metal?
A. Form a bevel or groove.
B. Weld from both sides.
C. Use multiple weld passes.
D. Use bigger tip size.
E. All of the above.
How do you know when to dip the rod in the weld pool while making a fillet weld on a T-joint, lap joint, or inside corner joint?
If a butt joint is being welded, the formation of a(n) _____ at the weld root ensures proper penetration.
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