CWB Level II Exam 2024/2025 (100%Verified Answers)

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 living cells? - ans ----Ionizing Name two examples of ionizing radiation. - ans ----X-rays and Gamma rays What is the minimum suggested shade for a welding helmet when using 5/32 SMAW electrode at 150 A? - ans ----Shade 10 Approx. how far could spatter travel when welding/cutting from 2.5m high? - ans ----Possibly up to 6m What is the toxic component contained in some copper alloys? - ans ----Beryllium Which welding process will likely have the highest fume generation rate? [SMAW / SAW / FCAW] - ans ----FCAW What do the terms TLV and TWA stand for? - ans ----TLV: Threshold limit value TWA: Time weighted average Is helium lighter or heavier than air? - ans ----Lighter