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The liquid temperature of the filler metal used in brazing is _________

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The liquid temperature of the filler metal used in brazing is _________

(a) 150^oC

(b) 427^oC

(c) 723^oC

(d) 1000^oC

This question was addressed to me in an online interview.

I'm obligated to ask this question of Soldering and Brazing in chapter Metallurgy of Welding, Brazing and Soldering of Engineering Material & Metallurgy

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Best answer
The correct option is (b) 427^oC

Best explanation: Brazing is defined as the joining of two metal pieces by using a filler metal. The liquid temperature of the filler metal is above 427^oC and below the solidus of the base metal.

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