Multiple Choice Questions On Brazing Process


6. Brazing is the process of.......


   A.Joining plastic sheets

   B.Hard soldering using brass spelter

   C.Casing in brass

   D.Makeing steel look like brass

   E.Any of the above


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B.Hard soldering using brass spelter

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7. The commonly used flux for brazing is.......


   A.Resin

   B.NH4CL

   C.Borax

   D.Soft iron


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C.Borax

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8. The temperature range of brazing process is.........


   A.150oC to 250oC

   B.250oC to 450oC

   C.500oC to 700oC

   D.700oC to 900oC

   E.1000oC to 2000oC


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D.700oC to 900oC

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9. The purpose of using borax in brazing is to......


   A.Replace flux

   B.Dissolve oxides when heating the work

   C.Accelerate the formation of oxides on the work

   D.Prevent the spelter from melting too quickly

   E.Increase the fluidity of brazing process


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B.Dissolve oxides when heating the work

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10. The flux is brazing process is used in the form of.......


   A.Powder

   B.Liquid

   C.Paste

   D.Any of the above

   E.None of the above


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D.Any of the above

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