Welding Module 11 Questions and Answers | Latest Version | Graded A+

Welding Module 11 Questions and Answers | Latest Version | Graded A+ What is the role of a backing strip in welding? To support the weld root and prevent burn-through. Why is proper storage of electrodes essential? To keep them dry and prevent moisture absorption, which can cause defects. What is the purpose of a slag coating on a weld? To protect the weld from contamination during cooling. Why is interpass temperature control important in welding? To maintain consistent weld quality and prevent cracking. What is meant by weld penetration? The depth to which the weld metal fuses into the base metal. 2 Why should welders use a steady hand during welding? To ensure uniform weld beads and consistent quality. What is the role of a welding jig? To hold parts in position and maintain alignment during welding. What causes undercut in welding? Excessive heat or improper travel speed during welding. How can a welder ensure proper joint fit-up? By measuring and aligning materials precisely before welding. Why is it necessary to remove slag between weld passes? To ensure proper bonding between layers and avoid defects. What is the purpose of a fillet weld? To join two surfaces at a right angle. 3 Why should welding cables be inspected regularly? To ensure they are not damaged and to maintain safe operation. What is the main purpose of preheating metal before welding? To reduce the risk of cracking and improve weld quality. Why should a welder inspect equipment before use? To ensure it is in good working condition and to prevent accidents. What is a common cause of porosity in a weld? Contamination of the base material or filler material.