For GMAW welding, the last number of the electrode identifies the:

• A.Chemical composition.
• B.Coating characteristics.
• C.Operating characteristics.
• D.Strength of the electrode.

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The weld symbol represents which type of weld groove?

• A.Bevel
• B.Flare
• C.Scarf
• D.Parallel

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In hardness testing of carbon steel weldment specimens, there is an approximate relationship between hardness and:

• A.Toughness
• B.Ductility
• C.Tensile strength
• D.Yield strength

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When welding using the shielded metal arc welding (SMAW) process, which of the following best describes the appearance of excessive penetration on a radiograph?

• A.An abrupt density change across the width of the weld image with a straight longitudinal darker density line at the center of the width of the weld image along the edge of the density change.
• B.A localized darker density with fuzzy edges in the center of the width of the weld image.
• C.A lighter density in the center of the width of the weld image, either extended along the weld or in isolated circular drops.
• D.An irregular darker density near the center of the width of the weld image along the edge of the root pass image.

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What is the most capable NDE method for finding a discontinuity such as incomplete fusion in a joint?

• A.UT
• B.ET
• C.RT
• D.MT

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