CWB 1 2024 QUESTIONS WITH VERIFIED SOLUTIONS ALREADY PASSED

CWB 1 2024 QUESTIONS WITH VERIFIED SOLUTIONS ALREADY PASSED 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 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) Undercutting. b) Porosity. c) Slag inclusions. d) Cracking. e) Burn through . - CORRECT ANSWER d) Cracking. 3. In the choices given below, metallographic tests would be the least informative with regard to the: a) Presence of the non-metallic inclusions. b) Grain structure in the weld and fusion zone. c) Ability of the material to withstand repeated fluctuating loads. CWB 1 2024 QUESTIONS WITH VERIFIED SOLUTIONS ALREADY PASSED d) Extent and structure of the heat affected zone. e) Number of weld passes. - CORRECT ANSWER c) Ability of the material to withstand repeated fluctuating loads. 4. In producing a drawing for a scale of 1:50, what would be the distance represented by a distance on the drawing of 6 em? a) 12 cm. b) 30 cm. c) 50 cm. d) 240 cm. e) 300 cm. - CORRECT ANSWER e) 300 cm. 5. The mechanical test used to determine the ability of a material to resist failure by brittle fracture requires the use of: a) A tensile test specimen. b) A bend test specimen. c) A compression test specimen. d) An impact test specimen. e) A spectrographic test. - CORRECT ANSWER d) An impact test specimen. 6. The cooling rate of aT-joint is: CWB 1 2024 QUESTIONS WITH VERIFIED SOLUTIONS ALREADY PASSED a) Less than that in a butt joint. b) Greater than that in a butt joint. c) Greater than that in a butt joint only where the carbon equivalent is high . d) Greater at the mid-section than at the start. e) Greater at the mid-section than at the finish. - CORRECT ANSWER b) Greater than that in a butt joint. 7. What are slag and non-metallic inclusions usually caused by? a) Moisture in the weld joint. b) High welding current. c) Loss of shielding gas. d) Inadequ