complete solutions
describe the process of GWAM welding - correct answer ✔✔weld process where a consumable
electrode which is continuously supplied is surrounding by a protective envelope of shielded gas to form
a welding bead
GMAW is the most commonly used welding process in the industry - correct answer ✔✔true
what are the differences between GMAW (gas metal arc welding) and FCAW (flux cored arc welding) -
correct answer ✔✔flux cored arc welding may or may not involve a supplied shielding gas. FCAW is also
conducted with a hollow wired filled and powdered flux or a mixture of powdered metal alloying agents
GWAW performed by hand is sometimes referred to as ________ welding because the equipment
controls the feeding of the wire electrode - correct answer ✔✔semiautomatic
list three advantages of GMAW - correct answer ✔✔1. process is fast because rods don't have to
constantly charge
2. weld does not require repeated clean up, the clean up is quick
3. easy to learn because it welds in any position with correct set up
list three disadvantages of GMAW - correct answer ✔✔1. must be conducted in a controlled
environment out of the elements
2. more sophisticated and expensive equipment is required
3. switching materials may require complex changes to equipment
the ____ contains the supply of wire and delivers it through a lead to the welding gun l, where the
electrode wire is directed to the joint - correct answer ✔✔wire feeder
the shielding gas flow rate is adjusted externally through a ________ - correct answer ✔✔flow meter