(7th Edition) fully solved to pass
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? - 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