Welding - Welding objective questions and answers


16. Neutral flame has.......


   A.1 zone

   B.2 zones

   C.3 zones

   D.4 zones


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B.2 zones

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17. Carburing flame has.......


   A.1 zone

   B.2 zones

   C.3 zones

   D.4 zones


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C.3 zones

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18. Carburising flame is used to weld metals like.......


   A.Steel

   B.Copper and brass

   C.Curburised steel

   D.aluminium, stainless steel, zinc die casting, nickel, monel etc.


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D.aluminium, stainless steel, zinc die casting, nickel, monel etc

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19. Neutral flame is used to weld metals like......


   A.Steel

   B.Copper and brass

   C.Curburised steel

   D.aluminium, stainless steel, zinc die casting, nickel, monel etc.


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A.Steel

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20. Oxidising flame is used to weld metals like.......


   A.Steel

   B.Copper and brass

   C.Curburised steel

   D.aluminium, stainless steel, zinc die casting, nickel, monel etc.


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B.Copper and brass

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