Cwb exam 2025 - Study guides, Class notes & Summaries

CWB Level 2 Module 5 Power Sources for Welding exam | Questions and Correct Solutions Latest Update 2024/2025 | Graded A+ Guide Question - Section 2 "Electric current is readily conducted in metals (low resistance) because of the many free electrons" True or false - Answer -True Guide Question - Section 2 "Conventional current flow is from negative to positive" True or False - Answer -False Guide Question - Section 2 Materials that have a high resistance to current flow are call...

CWB Level II Exam 2024/2025 (100%Verified Answers) Latest Update. 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 - Correct Answer-(D) Sensitization Note: Also known as "carbide precipitation" -- Chromium binds to carbi...

CWB Level II Exam 2024/2025 (100%Verified Answers) Latest Update. 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 - Correct Answer-(D) Sensitization Note: Also known as "carbide precipitation" -- Chromium binds to carbi...

CWB Welding Inspector Level 3 Exam Prep (Latest 2024 / 2025 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 presence of intense light...

CWB 2 Module 22 Exam Questions and Answers (2024 / 2025) (Verified Answers)

CWB Module 16 rev 1 exam | Questions and Correct Solutions 2024/2025 | Graded A+ To ensure that calipers are accurate you would a) use a vernier b) calibrate them c) always take a reading to three decimal places - Answer -b) calibrate them A high quality measuring instrument. . a) should not be calibrated unless something goes wrong b) should be calibrated by the operator every time it is used c) should be calibrated regularly as specified in a formal calibration program - Answer -c)...

CWB 1 exam | Questions and Correct Answers Latest Update 2024/2025 | Graded A+ 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. - Answer -b) 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)...

CWB Welding Inspector Level 1 Exam (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: From the welding problems identified below which one of the five does not fit the pattern established by the other four? a) Insufficient throat. b) Incorrect bevel angle. c) Loss of shielding gas. d) Improper fit up. e) Use of wrong consumable. Answer: a) Insufficient throat. Q: A 10 mm fillet weld has a nominal: a) Throat dimension of 10 mm. b) Area of 10 sq. mm. c) Leg size...

CWB Module 10 exam | Questions and Correct Solutions | Latest Update 2024/2025 | Graded A+ Where do transverse cracks occur? (a) weld metal and base metal (b) weld metal only (c) base metal only (d) weld craters - Answer -(a) weld metal and base metal Porosity may occur: (a) open to the surface of the weld only (b) in the heat-affected zone only (c) below the surface of the weld only (d) open to the surface and/or below the surface of weld - Answer -(d) open to the surface and/or be...