which of the following is not recommended when welding with short-circuiting transfer -
️️Welding Heavy plate
In GMAW, the shielding for the molten metal is accomplished through the use of -
️️Inert and reactive gases
In GMAW, insufficient gas flow can cause - ️️Porosity
The benefi...
Welding GMAW Final
which of the following is not recommended when welding with short-circuiting transfer -
✔️✔️Welding Heavy plate
In GMAW, the shielding for the molten metal is accomplished through the use of -
✔️✔️Inert and reactive gases
In GMAW, insufficient gas flow can cause - ✔️✔️Porosity
The benefit of copper coated electrode wires is - ✔️✔️better arc starts. increased
contact tip life. improved wire feeding. all of the above
What type of power source is used for GMAW - ✔️✔️constant voltage
In GMAW, which type of metal transfer is restricted only to flat and horizontal position
fillet welds - ✔️✔️Spray Tranfer
What type fo electrode wire is used with GMAW - ✔️✔️Solid
In GMAW, the amperage is controlled by adjusting the - ✔️✔️wire feed speed.
In GMAW, electrode extension is defined as the distance from the - ✔️✔️end of the
contact tube to the tip of the wire
Which AWS electrode classification is correct for GMAW wire - ✔️✔️ER70S-3
Which of the following is considered an advantage for the GMAW process - ✔️✔️All of
the above
Electric current is transferred to the electrode through the - ✔️✔️Contact tube
A worn contact tube results in - ✔️✔️Poor arc starts
what shielding gas or gas mixture will not produce spray transfer - ✔️✔️100% CO2
The contact tube should be - ✔️✔️sized to match the wire diameter
What does the 70 indicate in the electrode classification ER70S-3 - ✔️✔️Tensile
Strength
Excessive amounts of weld spatter in the nozzle may cause - ✔️✔️poor shielding
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