Question: 3. Define welding. 7. What are the three primary aspects required to produce a high-quality weld? 2. Why does an oxyfuel-gas welding torch usually have

3. Define welding.

7. What are the three primary aspects required to produce a high-quality weld?

2. Why does an oxyfuel-gas welding torch usually have a flame with two distinct regions?

9. What is filler metal, and why might it be needed to produce a joint?

11. Oxyfuel-gas welding has a low rate of heat input.What are some of the adverse features that result from the slow rate of heating?

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