Question

identify the piece marked a. this is one of the four major components of a gmaw system.

welding power source
wire feeding system
shielding gas system
gmaw gun

Explanation:

Identify component A

Using the GMAW Equipment and Welding Power Sources knowledge points

• Label A points to the main blue power supply unit (the welding machine).
• Label B points to the shielding gas cylinder.
• Label C points to the wire feeder.
• Label D points to the welding gun.
• Therefore, component A is the welding power source.

Answer:

• Welding power source (Correct answer)
• Wire feeding system
• Shielding gas system
• GMAW gun