Module 5 - About this Module

Module 5 - GMAW Theory Exam

This exam will assess a trainee’s knowledge of the basic principles of the setup and operation of GMAW welding equipment, terms and definitions, filler metal identification, process variables, and safety practices.

To successfully complete the training component of this module, trainees shall be able to:

  • Performs safety inspections of GMAW equipment and accessories.
  • Makes minor external repairs to GMAW equipment and accessories.
  • Short Circuiting Transfer
    • Sets up for GMAW-S operations on carbon steel.
    • Operates GMAW-S equipment on carbon steel.
    • Makes fillet welds in all positions on carbon steel.
    • Makes groove welds in all positions on carbon steel.

  • Spray Transfer
    • Sets up for GMAW (spray) operations on carbon steel.
    • Operates GMAW (spray) equipment on carbon steel.
    • Makes fillet welds in the1F and 2F positions on carbon steel.
    • Makes groove welds in the1G position on carbon steel.
Module 5 - GMAW Practical Exam (-s, or short circuit)

The trainee shall pass the GMAW-S welder performance qualification test on carbon steel.

Provided with protective clothing and equipment, hand tools, GMAW-S equipment and accessories, CO2 or 75% Ar/25% CO2 shielding gas, 0.035 in. or 0.045 in. diameter E70S-X electrodes, 10-14 gauge carbon steel base metal, Welding Procedure Specification AWS EDU GMAW-01, and drawing number AWS EDU-3, the trainee will perform GMAW-S welder performance qualification test on carbon steel with no assistance from the instructor.

Module 5 - GMAW Practical Exam (spray)

The trainee shall pass the GMAW (spray) welder performance qualification test on carbon steel.

Provided with protective clothing and equipment, hand tools, GMAW (spray) equipment and accessories, 90% Ar /10% CO2 shielding gas (or other acceptable mixture for spray transfer), 0.035 in. or 0.045 in. diameter E70S-X electrodes, 3/8 in. thick carbon steel base metal, Welding Procedure Specification AWS EDU GMAW-02, and drawing number AWS EDU-2, the trainee will perform GMAW (spray) welder performance qualification test on carbon steel with no assistance from the instructor.

Back to Course