SENSE LEVEL 1 WELDING PROCESS CERTIFICATION TEST Module 5 : GMAW

SENSE LEVEL 1 WELDING PROCESS
CERTIFICATION TEST Module 5 : GMAW
Inert and reactive gases - -In GMAW, the shielding for the molten metal is
accomplished through the use of

- Gas Metal Arc Welding - -GMAW is the abbreviation for?

- Porosity - -In GMAW, insufficient gas flow can cause?

- Poor arc starts - -A worn contact tube results in

- All of the above - -The benefit of copper coated electrode wires is?

- Constant Voltage - -What type of power source is used for GMAW?

- Spray Transfer - -In GMAW, which type of metal transfer is restricted to flat
position and horizontal fillet weld?

- Solid - -What type of electrode wire is used with GMAW?

- Wire Feed Speed - -In GMAW the amperage is controlled by adjusting the

- End of the contact tube to the tip of the wire - -In GMAW, electrode
extension is defined as the distance from the

- ER70S-3 - -Which AWS electrode classification is correct for GMAW wire?

- All of the above - -Which of the following is considered an advantage of
the GMAW process?

- Contact Tube - -Electric current is transferred to the electrode through the

- 100% CO2 - -What shielding gas or gas mixture will not produce spray
transfer?

- Sized to match the wire diameter - -The contact tube should be

- Tensile Strength - -What does the 70 indicate in the electrode
classification ER70S-3?

- Poor Shielding - -Excessive amounts of weld spatter at the nozzle may
cause?