When arc welding, the flux that covers the...

Question 1 / 270705eccef9bbacbc34ba4d45331

Question 1 of 270705eccef9bbacbc34ba4d45331

When arc welding, the flux that covers the electrode is used to __________.

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Question 1 of 27070

When arc welding, the flux that covers the electrode is used to __________.

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🔍 Key Concepts

• Arc welding process – how the electrode and base metal are protected during welding • Flux and shielding – what flux does when it melts and forms slag/gas • Oxidation of molten metal – what happens to hot metal exposed to air

💭 Think About

• Think about what happens to the molten weld pool if it is exposed directly to air at very high temperature. • Consider what flux turns into when heated: slag and/or shielding gas. What is their main protective function? • Which choice best matches the idea of protection of the molten metal rather than changing shape, heat, or depth of weld?

✅ Before You Answer

• Identify the main protective job of flux during arc welding, not a side effect. • Ask: which option describes chemical protection of the molten metal, not mechanical distortion or weld geometry? • Verify which answer choice relates to preventing reaction with oxygen in the air at high temperatures.

Question 1 of 27070

When arc welding, the flux that covers the electrode is used to __________.

reduce metal fatigue and warpage

reduce oxidation

increase heat transfer

control penetration

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