Welder Red Seal · Question
What is the fundamental difference that defines a metal as either ferrous or non-ferrous?
Ferrous metals are those that have iron (Fe) as their primary constituent, such as carbon steel, stainless steel, and cast iron. Non-ferrous metals, like alumin
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Question: What is the fundamental difference that defines a metal as either ferrous or non-ferrous?
Answer options:
- Its ability to be hardened by heat treatment. ✅ The presence of a significant amount of iron.
- Its electrical conductivity and thermal expansion rate.
- Its natural resistance to corrosion and oxidation.
Correct answer: The presence of a significant amount of iron.
Explanation: Ferrous metals are those that have iron (Fe) as their primary constituent, such as carbon steel, stainless steel, and cast iron. Non-ferrous metals, like aluminum, copper, and titanium, do not contain iron as a main component.
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Question explanations
- A welder is fabricating a pressure vessel component using FCAW-G with an E70T-1 wire. The procedure specifies
- A welder is preparing to weld 20 mm (0.8 in) thick high-strength low-alloy (HSLA) steel using FCAW-G. The weld
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