GMAW Final Exam Review Questions with Complete Solutions (Latest 2025) What does "GMAW" mean? - Correct Answers ✅Gas Metal Arc Welding (GMAW) What does "GMAW-S" mean? - Correct Answers ✅Gas Metal Arc Welding - Spray What is the polarity for "GMAW-S"? - Correct Answers ✅Direct Current Electrode Positive (DCEP) What are the two 'currents' for GMAW-Pulse? - Correct Answers ✅Peak Current & Background Current (The metal transfers during the peak and its freezing in the background) In Pulsed Spray, how many droplets of metal come down per inch second - Correct Answers ✅100 drops per second What's the minimum amount of Argon needed for Spray? - Correct Answers ✅90% Argon - 10% Co2 What happens to the amperage the closer the nozzle is to the work piece? - Correct Answers ✅The amperage increases.How do you adjust the tension on the wire for GMAW? - Correct Answers ✅The tension control knobs. 1 / 2
GMAW Final Exam Review Questions with Complete Solutions (Latest 2025) Which gases are inert gas? - Correct Answers ✅A.Argon (Inert Gas)
- Co2 (Active Gas)
- Oxygen (Active Gas)
- Helium (Inert Gas)
Answer: Argon & Helium
What is the approx. pressure on an individual shielding gas bottle? - Correct Answers ✅Depends on the shielding gas.What part of the ball on a flowmeter are you looking at when reading the scale? - Correct Answers ✅On top of the ball.Which metal transfer methods are used for out-of-positon welding? - Correct Answers ✅A. Short Circuit Trasnfer
- Globular Trasnfer
- Spray Transfer
- Pulse Spray Transfer
Answer: A. Short Circuit Transfer & D. Pulse Spray Trasnferv
What is the term when the wire gets tangled up in the dry rolls? - Correct Answers ✅Birds Nest Electrode Classification - Correct Answers ✅E- Electrode
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