Welding assessment #2

GMAW uses sheilding gases that are?

• Inert

• Active

• Exotic

• Both A & B

GMAW uses the following current

• DCEP

• DCEN

• AC

• ACHF

In GMAW the current is determined by the

• Voltage

• Wire feed speed

• Sheilding gas

• machine type

The welding current is transferred to the wire via the

• Conduit

• Feed rolls

• Contact tip

• Liner

What is not a type of metal transfer?

• Short curcuit

• Spray

• Droplet

• Pulse

What type of metal transfer will produce the least amount of spatter?

• Short circuit

• Spray

• Droplet

• Globular

Short circuit transfer can be used in what position?

• Vertical down and flat only

• Flat and horizontal only

• All positions

• Flat only

What is the shielding gas for Short circuit GMAW?

• 100% Argon

• 75%j Ar/25%CO2

• 100% C02

• 90%Ar/10%CO2