Question 124General Subjects - QMED70% to pass
When arc welding, the flux that covers the electrode is used to _______________.
AI Explanation
The correct answer is D) reduce oxidation.
The flux that covers the electrode in arc welding serves to reduce oxidation of the molten metal. The flux acts as a protective shield, preventing the molten metal from coming into direct contact with the air and oxidizing. This helps maintain the desired properties and quality of the weld.
Options A, B, and C are incorrect because they do not directly address the primary function of the flux, which is to prevent oxidation. While the flux can influence factors like penetration, metal fatigue, and heat transfer, its primary purpose is to reduce oxidation of the weld.
Related Questions
#122 On vessels exceeding 1600 GRT, who is responsible for the practical upkeep of machinery and the manning of the engine room? #123 The welding symbol reference line using the inverted "V” indicates _______________. Illustration GS-0076 #125 A weld with triangular cross sections is used to join two surfaces at right angles to each other, and is called a _______________.#126 In the illustration, the welded neck flange is attached to the pipe by a _______________. Illustration GS-0078 #127 Setting up a welding job, where the work is the positive pole and the electrode is the negative pole for the arc, is known as a/an _______________.