Question

identify the gmaw consumables labeled a in this picture.

gas diffusers
nozzles
contact tips

Explanation:

Analyze the labeled components

Using the GMAW Gun Anatomy knowledge point

The image shows three distinct types of Gas Metal Arc Welding (GMAW) gun consumables:

• The large outer cylindrical shells at the top, pointed to by label A, are the Nozzles. They direct the shielding gas flow.
• The threaded components in the middle are the gas diffusers.
• The long, thin cylindrical copper pieces at the bottom are the contact tips.

Therefore, the items labeled A are nozzles.

Answer:

• Gas diffusers
• Nozzles (Correct answer)
• Contact tips