CWB Welding Inspector Level III Exam 2023/2024 with 100%Correct Answers.

What is E4918-X? - answer ---E=Electrode 49= tensile strength 1=position (1=all, 2=Horiz Fillet & Flat, 4=vert down) 8=coating type -X= optional improved toughness What are the three Coating Type Classes? - answer ---EXX10 & EXX11 = Cellulose EXX12, EXX13, EXX14 = Titania EXX15, EXX16, EXX18 = Basic What type of electrodes are prone to moisture absorption? - answer ---Basic What is E308-16? - answer ---E=Electrode 308=Alloy Type 1=Position 6=Flux Type What is Deposition? - answer ---the amount of weld deposited in a given period of time. Amp's do the melting. What would you use large diameter electrodes to weld? - answer ---Thick Materials or in the flat position What would you use smaller diameter electrodes to weld? - answer ---Thin Materials, Roots or out of position What does Iron Powder in the flux do? - answer ---Increases deposition rates What does Nickle do to the weld? - answer ---Improved Notch Touchness When welding SMAW, what degree should the electrode be? - answer ---5° to 10° What type of shielding gas is used for GMAW? - answer ---CO2 or oxygen