API 577 Exam Questions And Answers Graded A+
API 577 Exam Questions And Answers Graded A+ None! Number of welds to RT is established by the primary code How many welds does 577 require to be RT'd Arc blow Deflection of an arc from normal path because of opposing magnetic forces Arc length Distance from the tip of the welding electrode to the adjacent surface of the weld pool Autogenous Welds made without filler metal Backing Material or device placed on back side of a joint, to support and retain weld metal Defect A discontinuity that does not meet acceptance criteria, term designates rejecability Discontinuity The interruption of the typical structure of a material, discontinuity not necessarily a defect Inclusion Entrapped foreign solid material, such as slag, flux, tungsten, or oxide Undercut A groove welded into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal Based on nature of the non-conformance Corrective action of non-conformance SMAW Which welding process is most widely used SMAW process Arc between a covered electrode and weld pool. Heat of arc comes from tip of a consumable covered electrode. Shielding comes from decomposition of the electrode coating. SMAW (basic functions of electrode coating) Shielding gas, prevent excessive grain growth, slag blanket to protect weld, sometime provides alloy elements
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