Welding - Welding objective questions and answers


31. The melting point of the filler metal in brazing should be above.......


   A.420o C

   B.820o C

   C.1020o C

   D.1200o C

   E.1500o C


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A.420 o C

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32. Too slow welding speed in arc welding would result in.......


   A.Excessive piling up of weld metal, poor penetration, wasted electrodes

   B.Excessive spatter, under cutting along edges, irregular deposits, wasted electrodes

   C.Too small bead, weak weld, and wasted electrodes

   D.Excessive pillling up of weld metal, overlapping without penetration of edges, wasted electrodes


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D.Excessive pillling up of weld metal, overlapping without penetration of edges, wasted electrodes

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33. In resistance welding the electrode material is made of.......


   A.Carbon steel

   B.Stainless steel

   C.Copper

   D.High speed steel


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C.Copper

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34. Which type of electrode is used in submerged arc welding......


   A.Bare rods

   B.Coated electrodes

   C.Core wires

   D.Copper electrodes


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A.Bare rods

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35. Seam welding is.......


   A.Arc welding

   B.Multi spot welding

   C.Continuous welding

   D.Used for forming sound bars

   E.Gas welding


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C.Continuous welding

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