Gas Metal Arc Welding (GMAW) (MIG
Welding) Exam Questions And Answers
Define and describe the GMAW process in detail. - - -
correct answer ✅Joins metal by heating them with electric arc
established between a continuously fed filler metal electrode and
the workpiece.
The gas metal arc welding process is also known as: - - -
correct answer ✅a) MIG Welding
GMAW is recommended for use on which of the following metals? -
--
correct answer ✅e) All of the above
List the basic equipment components required for the set-up of
GMAW outfit. - - -
correct answer ✅Volts and wire speed
How will penetration be affected when stickout is increased? - - -
correct answer ✅c) Will decrease penetration
Changing the gun inclination will: - - -
correct answer ✅a) Change the penetration of the weld
and/or
, Gas Metal Arc Welding (GMAW) (MIG
Welding) Exam Questions And Answers
d)Cause the wire to feed unevenly
Describe how GMAW equipment is likely to behave when the
contact tip is worn out. - - -
correct answer ✅Cause gas flow turbulence, resulting in porosity
and poor quality welds.
Excessive splatter build up in the gun nozzle can cause: - - -
correct answer ✅d) Inadequate gas coverage
Moisture and dirt on the surface of the wire electrode is likely to
cause: - - -
correct answer ✅a) Porosity
Excessive drag from a dirty liner is likely to cause: - - -
correct answer ✅d) Damage to the liner and contact tip
When arc hunting occurs, the problem is likely in the: - - -
correct answer ✅a) Wire feeder drive motor or the motor gearbox
Welding) Exam Questions And Answers
Define and describe the GMAW process in detail. - - -
correct answer ✅Joins metal by heating them with electric arc
established between a continuously fed filler metal electrode and
the workpiece.
The gas metal arc welding process is also known as: - - -
correct answer ✅a) MIG Welding
GMAW is recommended for use on which of the following metals? -
--
correct answer ✅e) All of the above
List the basic equipment components required for the set-up of
GMAW outfit. - - -
correct answer ✅Volts and wire speed
How will penetration be affected when stickout is increased? - - -
correct answer ✅c) Will decrease penetration
Changing the gun inclination will: - - -
correct answer ✅a) Change the penetration of the weld
and/or
, Gas Metal Arc Welding (GMAW) (MIG
Welding) Exam Questions And Answers
d)Cause the wire to feed unevenly
Describe how GMAW equipment is likely to behave when the
contact tip is worn out. - - -
correct answer ✅Cause gas flow turbulence, resulting in porosity
and poor quality welds.
Excessive splatter build up in the gun nozzle can cause: - - -
correct answer ✅d) Inadequate gas coverage
Moisture and dirt on the surface of the wire electrode is likely to
cause: - - -
correct answer ✅a) Porosity
Excessive drag from a dirty liner is likely to cause: - - -
correct answer ✅d) Damage to the liner and contact tip
When arc hunting occurs, the problem is likely in the: - - -
correct answer ✅a) Wire feeder drive motor or the motor gearbox
