Answers
For GMAW of aluminum and stainless steel, the recommend type of
welding current is? - - -
correct answer ✅Direct current electrode positive
The MOST commonly used power source for GMAW welding is? - - -
correct answer ✅DC constant-voltage
The electrical unit fir current is? - - -
correct answer ✅Amperes
In direct current (DC+) welding, the electrons in the welding circuit
always travels from? - - -
correct answer ✅Negative to positive
The types of metal transfer possible when employing the GMAW
consumable electrode process are the spray, globular, or
___________ transfer. - - -
correct answer ✅Short circuiting
On GMAW machines, the ______________ controls the amperage.
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correct answer ✅Wire feed speed
, GMAW & FCAW Exam Questions And
Answers
In GMAW, an important factor to consider is that? - - -
correct answer ✅The filler metal should match the base metal
composition
The insulator of a GMAW gun prevents electrical contact with the? -
--
correct answer ✅Gas nozzle
In GMAW, "wiskers" are? - - -
correct answer ✅Pieces of electrode sticking in a weld
The distance from the contact tip to the end of the electrode is
called? - - -
correct answer ✅Stick-out
For welding steel with GMAW, CO2 offers the advantage of _______
over an aragon CO2 mixture. - - -
correct answer ✅More depth of penetration