CWB 2023 Test Questions with Correct Answers

CWB 2023 Test Questions with Correct Answers True or False? "Electric current is readily conducted in metal (low resistance) because of the many free electrons" - Answer-True True or False? "Conventional current flow is from negative to positive." - Answer-False Materials that have a high resistance to current flow are called: A) Semi-conductors B) Conductors C) Insulators - Answer-C) Insulators True or False? "A gas can only conduct electricity when the gas has been ionized (a plasma has formed)." - Answer-True The three major components of a welding arc are: A) Anode, Cathode, and Plasma B) Nozzle, Gas, and Electrode C) Workpiece, Gas, and Weld Metal - Answer-A) Anode, Cathode, and Plasma True or False? "Gas Tungsten Arc Welding incorporates a consumable electrodes." - Answer-False Transformer-based welding power sources are typically connected to: A) Engine driven generator B) Utility supply power - Answer-B) Utility supple power True or False "To initiate an arc requires high current and low voltage power" - Answer-False For a consumable electrode welding process the majority of the heat in the DCEN polarity is concentrated on the: A) Electrode B) Workpiece - Answer-A) Electrode For a non-consumable electrode welding process the majority of the heat in DCEN polarity is concentrated on the: A) Electrode B) Workpiece - Answer-B) Workpiece True or False? "Ohm's law applies to welding arc since current increases as voltage increases" - Answer-False