GMAW Web Exam Flash Cards Shelby P
2026 Questions and Answers
What type of electrode is used in GMAW? - Correct answer-ER70S-X
What processes can be applied to GMAW? - Correct answer-Automatic Semi-
automatic and Mechanical
Define stick out. - Correct answer-The length of unmelted electrode extending
beyond the contact tube.
When does short circuit transfer normally occur? - Correct answer-It normally
occurs at lower amperages and voltages
What is the groove melted into the base metal adjacent to the root of the weld and
left unfilled by the metal? - Correct answer-Undercut
What should you do before welding in a new area? - Correct answer-Check your
equipment and surroundings
How should gas cylinders be stored? - Correct answer-Valves closed, protecter cap
on, chained in the up right position, and in a well ventilated area
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, When should safety glasses be worn? - Correct answer-When in the welding
area/always
How should you protect yourself from loud noises? - Correct answer-Ear
plugs/protection
Reactive gases? - Correct answer-Oxygen and Carbon Dioxide
Inert gases? - Correct answer-Helium and Argon
What are the three different parts of the gun assembly and what do they do? -
Correct answer-O-Rings:Seal and direct shielding gas
Gas diffuser:sends gas from the machine to the weld
Contact tube:transfers current to a continuous electrode
What are the different parts of the drive roll assembly? - Correct answer-The inlet
guide, outlet guide, drive rolls, and position terminal
Define burn back - Correct answer-When the electrode fuses to the contact tube
Define birds nest - Correct answer-When the wire gets tangled in the gear
assembly
What is the GMAW power source? - Correct answer-Constant voltage (CV)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
2026 Questions and Answers
What type of electrode is used in GMAW? - Correct answer-ER70S-X
What processes can be applied to GMAW? - Correct answer-Automatic Semi-
automatic and Mechanical
Define stick out. - Correct answer-The length of unmelted electrode extending
beyond the contact tube.
When does short circuit transfer normally occur? - Correct answer-It normally
occurs at lower amperages and voltages
What is the groove melted into the base metal adjacent to the root of the weld and
left unfilled by the metal? - Correct answer-Undercut
What should you do before welding in a new area? - Correct answer-Check your
equipment and surroundings
How should gas cylinders be stored? - Correct answer-Valves closed, protecter cap
on, chained in the up right position, and in a well ventilated area
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, When should safety glasses be worn? - Correct answer-When in the welding
area/always
How should you protect yourself from loud noises? - Correct answer-Ear
plugs/protection
Reactive gases? - Correct answer-Oxygen and Carbon Dioxide
Inert gases? - Correct answer-Helium and Argon
What are the three different parts of the gun assembly and what do they do? -
Correct answer-O-Rings:Seal and direct shielding gas
Gas diffuser:sends gas from the machine to the weld
Contact tube:transfers current to a continuous electrode
What are the different parts of the drive roll assembly? - Correct answer-The inlet
guide, outlet guide, drive rolls, and position terminal
Define burn back - Correct answer-When the electrode fuses to the contact tube
Define birds nest - Correct answer-When the wire gets tangled in the gear
assembly
What is the GMAW power source? - Correct answer-Constant voltage (CV)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
