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Asked: 2020-03-21T04:10:44+05:30 In:

GATE MT 2013 Q19. For a good quality brazing, the molten filler alloy should have

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66.67%(A) low contact angle with the base metal ( 10 voters )
26.67%(B) low density ( 4 voters )
6.67%(C) high surface tension ( 1 voter )
0%(D) high viscosity
Based On 15 Votes

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GATE MT 2013 Q19. For a good quality brazing, the molten filler alloy should have
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      official account of Askmemetallurgy

      Correct answer is option A. The molten filler alloy should have  low contact angle with the base metal. As lowering the contact angle will increase the wettability.  

      Correct answer is option A.

      The molten filler alloy should have  low contact angle with the base metal. As lowering the contact angle will increase the wettability.

       

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