SMAW Module Eleven - Groove Welds with Backing Questions and Answers | Latest Version | 2024/2025 | Graded A+

SMAW Module Eleven - Groove Welds with Backing Questions and Answers | Latest Version | 2024/2025 | Graded A+ What is the purpose of a backing bar in a groove weld? A) To provide support to the root of the weld and prevent burn-through How do you ensure proper penetration when welding groove welds? A) Maintain the correct heat and travel speed to achieve full penetration What is the difference between a single V-groove weld and a double V-groove weld? A) A single V-groove uses one beveled edge, while a double V-groove uses two beveled edges Why is it important to clean the edges of the groove before welding? A) To remove contaminants that can cause defects in the weld What welding position is commonly used for groove welds? 2 A) Groove welds can be made in multiple positions, but the flat and horizontal positions are the most common What is the function of the backing bar in a groove weld when working with thinner materials? A) It helps prevent distortion and provides support for a smooth and consistent weld What is the purpose of preheating the material before welding groove welds? A) To reduce the risk of cracking and improve weld quality What are common defects associated with groove welds? A) Porosity, lack of fusion, and undercut are common defects in groove welds What is the main advantage of using a backing strip instead of a backing bar? A) A backing strip is lighter and easier to handle, but provides similar support for the weld root Why is it important to maintain proper welding technique when performing groove welds? 3 A) Proper technique ensures even heat distribution, strong penetration, and a clean, consistent weld What is the typical angle used when preparing a single bevel groove weld? A) A 45-degree bevel angle is commonly used for single bevel groove welds How do you control distortion when welding groove welds? A) Use proper heat control, tack welding, and consider using a backing bar or strip What should be done after completing a groove weld to ensure its quality? A) Inspect the weld for defects and perform any