GMAW: chapter 11 review questions and
answers: (7th Edition by: Larry Jefuss)
What items make up the basic semiautomatic welding system? - - -
correct answer ✅automatic machine guide that can be control by
set program and the whole set of welding machine..
What must be done to the shielding gas cylinder before the cap
removed? - - -
correct answer ✅make sure that the cylinder is chained securely
Why is the shielding gas valve "cracked" before the flowmeter
regulator is attached? - - -
correct answer ✅to blow out any dirt in the valve
What cause the electrode to bird-nest? - - -
correct answer ✅when the feed roller pushes the wire into a
tangled ball because the wire would not go through the outside
feed conduit..
Why must all fittings and connections be tight? - - -
correct answer ✅prevent from leakage
What can be done to determine the location of a problem that
stops the wire from being successfully fed through the conduit? - - -
, GMAW: chapter 11 review questions and
answers: (7th Edition by: Larry Jefuss)
correct answer ✅mark the wire with tape and remove it from the
gun.
What is the advantages of using a feed roller pressure that is as
light as possible? - - -
correct answer ✅the feed will stop if something like clothing orgas
hoses are caught in the reel.
Why should the feed roller drag prevent the spool from coasting to
stop when feeds stop? - - -
correct answer ✅because the wire can be snagged easily
Why must you wind the wire tightly into a ball or cut it into short
lengths before discarding it in the proper waste container? - - -
correct answer ✅they present a hazard to safe movement around
the machine , in addition wires can make its way into the machine
that can cause shorting which produce high voltage, and can cause
injury or even death
What reactive gases are used with argon for GMA welding on
steels? - - -
correct answer ✅oxygen or carbon dioxide
answers: (7th Edition by: Larry Jefuss)
What items make up the basic semiautomatic welding system? - - -
correct answer ✅automatic machine guide that can be control by
set program and the whole set of welding machine..
What must be done to the shielding gas cylinder before the cap
removed? - - -
correct answer ✅make sure that the cylinder is chained securely
Why is the shielding gas valve "cracked" before the flowmeter
regulator is attached? - - -
correct answer ✅to blow out any dirt in the valve
What cause the electrode to bird-nest? - - -
correct answer ✅when the feed roller pushes the wire into a
tangled ball because the wire would not go through the outside
feed conduit..
Why must all fittings and connections be tight? - - -
correct answer ✅prevent from leakage
What can be done to determine the location of a problem that
stops the wire from being successfully fed through the conduit? - - -
, GMAW: chapter 11 review questions and
answers: (7th Edition by: Larry Jefuss)
correct answer ✅mark the wire with tape and remove it from the
gun.
What is the advantages of using a feed roller pressure that is as
light as possible? - - -
correct answer ✅the feed will stop if something like clothing orgas
hoses are caught in the reel.
Why should the feed roller drag prevent the spool from coasting to
stop when feeds stop? - - -
correct answer ✅because the wire can be snagged easily
Why must you wind the wire tightly into a ball or cut it into short
lengths before discarding it in the proper waste container? - - -
correct answer ✅they present a hazard to safe movement around
the machine , in addition wires can make its way into the machine
that can cause shorting which produce high voltage, and can cause
injury or even death
What reactive gases are used with argon for GMA welding on
steels? - - -
correct answer ✅oxygen or carbon dioxide
