CWB Study guides, Class notes & Summaries

To measure the strength of a welded joint what mechanical test would you prescribe? a) A transverse weld tension test. b) A charpy test. c) A CTOD test. d) An all weld metal tension test. e) A side bend test. - a) A transverse weld tension test. Select the cutting process that would provide the narrowest heat affected zone when cutting 12.5 mm (0.5 in) thick carbon steel. a) Oxy-acetylene cutting. b) Air-carbon arc cutting. c) Oxy-propane cutting. d) Plasma arc cutting. e) Laser beam...

CWB Welding Inspector Level 3 Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| All Modules Covered| 100% Correct| Grade A Q: Fluxes that can dissolve the oxides on Al are ............ Answer: Halide compounds ( Fluorine, chlorine, Bromine etc.) Q: Chlorine gas from a Chloride flux in presence of an arc can create poisonous gas called .......... Answer: Phosgene (COCL2) or Mustard gas produced by the reaction of chlorine and carbon monoxide in the prese...

CWB Level 1 Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Why must European drawings be studied carefully before fabricating parts? Answer: The drawings may employ the use of first angle projection Q: How many principal views are there in an orthographic projection? Answer: 6 Q: What is the angle of inclination most commonly used on an isometric drawing? Answer: 45degree Q: Which lines appear thicker on an engineeri...

CWB Welding Inspector Level 2 Exam Prep (Latest 2024 / 2025 Update) Questions and Verified Answers | All Modules Covered | 100% Correct | Grade A Q: In an isometric drawing, the lines (for width, length and depth) are inclined at an angle of how many degrees? Answer: 30° Q: What are the maximum number of views in an orthographic drawing? Answer: 6 Q: What are the two general classes of picture drawings? Answer: Perspective and Isometric Q: What are the 5 basic joints? Answer: 1) Butt 2) Corner ...

1. Which is not a recommended method for surface cleaning of a part for liquid penetrant examination? a) Cleaning with organic solvents. b) Blasting with shot or dull sand. c) Cleaning with de-greasers. d) Use of de-scaling solutions. e) Ultrasonic cleaning methods. correct answersb) Blasting with shot or dull sand. 2. Which of the following weld defects is most likely to be missed by radiography in a weld: a) Undercutting. b) Porosity. c) Slag inclusions. d) Cracking. e) Burn throu...

CWB Welding Inspector Level III Study Guide latest updated Which of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - ️️ (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. - ️️ (b) True or False? A metal with a high negative free energy of oxide formation wi...

To measure the strength of a welded joint what mechanical test would you prescribe? a) A transverse weld tension test. b) A charpy test. c) A CTOD test. d) An all weld metal tension test. e) A side bend test. - correct answer a) A transverse weld tension test. Select the cutting process that would provide the narrowest heat affected zone when cutting 12.5 mm (0.5 in) thick carbon steel. a) Oxy-acetylene cutting. b) Air-carbon arc cutting. c) Oxy-propane cutting. d) Plasma ...

CWB Level 1 Exam Preparation book Chapter 1 Questions with correct Answers