Cwb level ii exam Study guides, Class notes & Summaries

CWB Level II Exam Questions with Correct Answers What is the term used to describe the following condition of lost corrosion resistance? "When certain stainless steels are heated between 500-850° C, carbides form at the grain boundaries and cause a local depletion of chromium." (A) Oxidization (B) Increased toughness (C) Solution heat treatment (D) Sensitization - Answer-(D) Sensitization Note: Also known as "carbide precipitation" -- Chromium binds to carbides, and "sweats out...

CWB Level II Exam Questions and Answers Graded A What is the term used to describe the following condition of lost corrosion resistance? "When certain stainless steels are heated between 500-850° C, carbides form at the grain boundaries and cause a local depletion of chromium." (A) Oxidization (B) Increased toughness (C) Solution heat treatment (D) Sensitization - ️️ (D) Sensitization Note: Also known as "carbide precipitation" -- Chromium binds to carbides, and "sweats out" ...

CWB Welding Inspector Level ii Exam Questions With Complete Solutions Latest 2024 Graded A+. Which of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - Correct 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. - Correct Answer-(b) True or False? A metal with ...

CWB Level II Exam Questions and Correct Answers What is the typical three-phase input voltage in most Canadian welding shops? - Answer-600V True or False: The cable from the workpiece back to the welding machine is called the "ground lead". - Answer-False. The correct term is the "work lead". What is the type of radiation that can damage living cells? - Answer-Ionizing Name two examples of ionizing radiation. - Answer-X-rays and Gamma rays What is the minimum suggested shade f...

On a radiograph, undercut appears as a _________ line. (A) light (B) dark - ans ----(B) dark What is the Canadian Standard for safety in welding? - ans ----CSA W117.2 What is the typical three-phase input voltage in most Canadian welding shops? - ans ----600V True or False: The cable from the workpiece back to the welding machine is called the "ground lead". - ans ----False. The correct term is the "work lead". What is the type of radiation that can damage liv...

What is the description of damage of a brittle fracture? - ans ----Sudden rapid fracture under stress (residual or applied) where material exhibits little or no evidence of ductility or plastic deformation What type of Steel are of primary concern with brittle fractures? - ans ----Carbon and low alloy steels. 400 series SS are also susceptible What has a significant influence on toughness and resistance to brittle fractures? - ans ----Steel cleanliness and grain size In most...