114 MiG final exam
The operating voltage of welding machine, which is produced during welding, is also
known as the ____ - ✔️✔️Arc voltage
A duty cycle is the percentage of a 10 minute period during which a welding machine
can continuously ____ - ✔️✔️Produce it's rated amperage without overheating
The welding process that uses flux cored wire without the use of an external shielding
has is called_____ - ✔️✔️Self shielding FCAW
If the tongue and lace area of a welders safety shoes are exposed, he welder should
_____ - ✔️✔️Wear leather spats or chaps
A powered extraction system is a valuable tool for_____ - ✔️✔️Removing welding
fumes
Spray transfer, globular transfer, and pulsed transfer are____ - ✔️✔️GMAW metal
transfer modes
A variation of spray transfer welding in which current is cycled from high and low
is_____ - ✔️✔️Pulsed transfer welding
Which shielding has improved FCAW weld penetration - ✔️✔️Carbon Dioxide
In the engines that power generators, the engine speed is controlled by____ -
✔️✔️Governors
Welder power sources usually contain controls for adjusting arc voltage, slope, and
_____ - ✔️✔️Inductance
Welding cables end connection styles typically consist of___ - ✔️✔️Lugs and quick
disconnects
The device that pulls the electrode wire from a spool and pushes it through the gun
cable and gun is known as a____ - ✔️✔️Wire feeder
The electrical connection between the welding current and the electrode wire is
provided by the ______ - ✔️✔️Contact tip
, To prevent contamination of the weld puddle, shielding gases are used to displace what
from the weld zone? - ✔️✔️Atmosphere
If a spool of welding wire meets specifications, but does not include a record of
chemical composition or strength, it is assumed that the wire is intended for ____ -
✔️✔️Private use only
Welding wire that has been graded for rigid control fabrication comes with a____ -
✔️✔️Certificate of conformance
Filler wire that is used on aircraft, nuclear reactors, and pressure vessels is graded
as_____ - ✔️✔️Critical use
All carbon steel filler metals used for GMAW contain____ - ✔️✔️Alloys
The two AWS classifications for FCAW electrodes are____ - ✔️✔️Fixed and open
If a composite cored electrode is used in a GMAW process, the electrode produces
_____ - ✔️✔️Filler metal
The lenses used in safety glasses, face shields, or helmets worn during GMAW
procedures must be____ - ✔️✔️Properly tinted
During a GMAW procedure, a powered extraction system is often an essential tool
for____ - ✔️✔️Removing welding fumes
During welding preparations, what should be set up around the welding area? -
✔️✔️Welding curtains
Once a GMAW machine is turned on during start up, the next steins to____ -
✔️✔️Purge the gun as directed
If the wire feed speed is decreased during GMAW, the voltage must____ -
✔️✔️Decrease
With GMAW equipment, faster weld travel speeds build____ - ✔️✔️Smaller beads with
less penetration
Depending upon the transfer mode being used, GMAW electrode extensions lengths
vary from 1/4" to ___ - ✔️✔️1" inch
An improperly made GMAW restart will create a___ - ✔️✔️Weld discontinuity
The operating voltage of welding machine, which is produced during welding, is also
known as the ____ - ✔️✔️Arc voltage
A duty cycle is the percentage of a 10 minute period during which a welding machine
can continuously ____ - ✔️✔️Produce it's rated amperage without overheating
The welding process that uses flux cored wire without the use of an external shielding
has is called_____ - ✔️✔️Self shielding FCAW
If the tongue and lace area of a welders safety shoes are exposed, he welder should
_____ - ✔️✔️Wear leather spats or chaps
A powered extraction system is a valuable tool for_____ - ✔️✔️Removing welding
fumes
Spray transfer, globular transfer, and pulsed transfer are____ - ✔️✔️GMAW metal
transfer modes
A variation of spray transfer welding in which current is cycled from high and low
is_____ - ✔️✔️Pulsed transfer welding
Which shielding has improved FCAW weld penetration - ✔️✔️Carbon Dioxide
In the engines that power generators, the engine speed is controlled by____ -
✔️✔️Governors
Welder power sources usually contain controls for adjusting arc voltage, slope, and
_____ - ✔️✔️Inductance
Welding cables end connection styles typically consist of___ - ✔️✔️Lugs and quick
disconnects
The device that pulls the electrode wire from a spool and pushes it through the gun
cable and gun is known as a____ - ✔️✔️Wire feeder
The electrical connection between the welding current and the electrode wire is
provided by the ______ - ✔️✔️Contact tip
, To prevent contamination of the weld puddle, shielding gases are used to displace what
from the weld zone? - ✔️✔️Atmosphere
If a spool of welding wire meets specifications, but does not include a record of
chemical composition or strength, it is assumed that the wire is intended for ____ -
✔️✔️Private use only
Welding wire that has been graded for rigid control fabrication comes with a____ -
✔️✔️Certificate of conformance
Filler wire that is used on aircraft, nuclear reactors, and pressure vessels is graded
as_____ - ✔️✔️Critical use
All carbon steel filler metals used for GMAW contain____ - ✔️✔️Alloys
The two AWS classifications for FCAW electrodes are____ - ✔️✔️Fixed and open
If a composite cored electrode is used in a GMAW process, the electrode produces
_____ - ✔️✔️Filler metal
The lenses used in safety glasses, face shields, or helmets worn during GMAW
procedures must be____ - ✔️✔️Properly tinted
During a GMAW procedure, a powered extraction system is often an essential tool
for____ - ✔️✔️Removing welding fumes
During welding preparations, what should be set up around the welding area? -
✔️✔️Welding curtains
Once a GMAW machine is turned on during start up, the next steins to____ -
✔️✔️Purge the gun as directed
If the wire feed speed is decreased during GMAW, the voltage must____ -
✔️✔️Decrease
With GMAW equipment, faster weld travel speeds build____ - ✔️✔️Smaller beads with
less penetration
Depending upon the transfer mode being used, GMAW electrode extensions lengths
vary from 1/4" to ___ - ✔️✔️1" inch
An improperly made GMAW restart will create a___ - ✔️✔️Weld discontinuity
