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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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57.69%(A) low contact angle with the base metal ( 15 voters )
26.92%(B) low density ( 7 voters )
11.54%(C) high surface tension ( 3 voters )
3.85%(D) high viscosity ( 1 voter )
Based On 26 Votes

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