Poor fusion in a welded joint may be due to Production Engineering Mcqs September 7, 2019 BILAL KHATTAK0 A.Lack of flux B.Improper current C.High welding speed D.Dirty metal surface E.None of the aboveRelated Mcqs:Porosity of a welded joint may be caused byGrey 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 encounteredPreheating of material to be welded is necessary in case ofIf a centrifugal pump is noisy in operation, the cause may be________________?Weld spatter isIn electrical resistance welding cleaning of metals to be weldedIn manufacturing ERW tube the type of welding generally used is
