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 above Related Mcqs: Porosity of a welded joint may be caused by Grey iron is usually welded by The bonding of a rubber sheet with a metal is done by Weld spatter defect in welding is generally the result of Arc blow is a welding defect which is encountered Preheating of material to be welded is necessary in case of If a centrifugal pump is noisy in operation, the cause may be________________? Weld spatter is In electrical resistance welding cleaning of metals to be welded In manufacturing ERW tube the type of welding generally used is
