Porosity of a welded joint may be caused by Production Engineering Mcqs March 15, 2019 BILAL KHATTAK0 A.Poor base metal B.Low welding current C.High welding current D.Wrong size of electrode E.None of the aboveRelated Mcqs:Poor fusion in a welded joint may be due toGrey iron is usually welded byThe bonding of a rubber sheet with a metal is done byWeld spatter defect in welding is generally the result ofArc blow is a welding defect which is encounteredWeld spatter isIn electrical resistance welding cleaning of metals to be weldedIn manufacturing ERW tube the type of welding generally used isIn electrical resistance welding when the current passes through the metal, the greatest resistance isAluminium castings are not repaired by
