CWB Welding Inspector Level III Study Guide | Questions and Correct Solutions 2024/2025 | Graded A+

CWB Welding Inspector Level III Study Guide | Questions and Correct Solutions 2024/2025 | Graded A+ Which of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - Answer -(c) The Ellingham diagram (a) is a plot of thermal conductivity against temperature, (b) shows the free energy of oxide formation against temperature. (c) shows the rate of oxidation of metals against temperature. - Answer -(b) True or False? A metal with a high negative free energy of oxide formation will generally require greater shielding from the atmosphere during welding. - Answer -True Electricity can be conducted by: (a) atoms and electrons.(b) electrons and ions. (c) only ions. - Answer -(b)