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Sparks and Shields: The Ultimate Welding Quiz
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What is the primary function of applying flux to the joint area prior to a brazing or soldering operation?
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Hint
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50-50
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Audience
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A
To dissolve and prevent oxides from forming on the metal surfaces during heating
B
To lower the melting point of the filler metal
C
To increase the electrical conductivity of the joint
D
To cool the joint quickly after welding
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