AMS 261 UNIT 5 EXAM WELDING EXAM QUESTIONS AND ANSWERS
What does GTAW stand for? - CORRECT ANSWER✅✅TIG welding
What does GMAW stand for? - CORRECT ANSWER✅✅MIG welding
What does SMAW stand for? - CORRECT ANSWER✅✅Stick arc welding
What is MIG welding also known as? - CORRECT ANSWER✅✅Gas Metal Arc Welding
What is TIG welding also known as? - CORRECT ANSWER✅✅Gas Tungsten Arc Welding
In DCSP, which side is negative? - CORRECT ANSWER✅✅Electrode negative
What does ACHF provide in welding? - CORRECT ANSWER✅✅AC with high-frequency stabilization
In DCRP, which side is positive? - CORRECT ANSWER✅✅Electrode positive
What is DCEP used to describe? - CORRECT ANSWER✅✅Electrode positive
What is DCEN used to describe? - CORRECT ANSWER✅✅Electrode negative
What is gas welding commonly performed with? - CORRECT ANSWER✅✅Oxyacetylene fusion welding
What type of welding is spot welding? - CORRECT ANSWER✅✅Electric resistance point weld
What type of welding is seam welding? - CORRECT ANSWER✅✅Electric resistance continuous weld
, What is fusion welding defined as? - CORRECT ANSWER✅✅Metal melted together
What is non-fusion welding defined as? - CORRECT ANSWER✅✅Soldering or brazing
What temperature range defines brazing? - CORRECT ANSWER✅✅Above 800°F
What temperature range defines soldering? - CORRECT ANSWER✅✅Below 800°F
What is silver soldering characterized by? - CORRECT ANSWER✅✅High-strength solder with up to 70%
silver
Where is the most heat concentrated in arc welding?* - CORRECT ANSWER✅✅At the positive side of
the circuit
What are the three principal fusion welding processes? - CORRECT ANSWER✅✅Gas, Electric arc,
Electric resistance
Under gas fusion welding, what process is used? - CORRECT ANSWER✅✅Oxyacetylene welding
Under electric arc welding, what processes are used? - CORRECT ANSWER✅✅TIG, MIG, SMAW
Under electric resistance welding, what processes are used? - CORRECT ANSWER✅✅Spot, Seam
What fuel gases are commonly used in gas welding?* - CORRECT ANSWER✅✅Acetylene, Hydrogen,
Propane, MAPP, Natural gas
At what pressure does acetylene become unstable?* - CORRECT ANSWER✅✅15 PSI
At what pressure is acetylene guaranteed explosive? - CORRECT ANSWER✅✅30 PSI
What does GTAW stand for? - CORRECT ANSWER✅✅TIG welding
What does GMAW stand for? - CORRECT ANSWER✅✅MIG welding
What does SMAW stand for? - CORRECT ANSWER✅✅Stick arc welding
What is MIG welding also known as? - CORRECT ANSWER✅✅Gas Metal Arc Welding
What is TIG welding also known as? - CORRECT ANSWER✅✅Gas Tungsten Arc Welding
In DCSP, which side is negative? - CORRECT ANSWER✅✅Electrode negative
What does ACHF provide in welding? - CORRECT ANSWER✅✅AC with high-frequency stabilization
In DCRP, which side is positive? - CORRECT ANSWER✅✅Electrode positive
What is DCEP used to describe? - CORRECT ANSWER✅✅Electrode positive
What is DCEN used to describe? - CORRECT ANSWER✅✅Electrode negative
What is gas welding commonly performed with? - CORRECT ANSWER✅✅Oxyacetylene fusion welding
What type of welding is spot welding? - CORRECT ANSWER✅✅Electric resistance point weld
What type of welding is seam welding? - CORRECT ANSWER✅✅Electric resistance continuous weld
, What is fusion welding defined as? - CORRECT ANSWER✅✅Metal melted together
What is non-fusion welding defined as? - CORRECT ANSWER✅✅Soldering or brazing
What temperature range defines brazing? - CORRECT ANSWER✅✅Above 800°F
What temperature range defines soldering? - CORRECT ANSWER✅✅Below 800°F
What is silver soldering characterized by? - CORRECT ANSWER✅✅High-strength solder with up to 70%
silver
Where is the most heat concentrated in arc welding?* - CORRECT ANSWER✅✅At the positive side of
the circuit
What are the three principal fusion welding processes? - CORRECT ANSWER✅✅Gas, Electric arc,
Electric resistance
Under gas fusion welding, what process is used? - CORRECT ANSWER✅✅Oxyacetylene welding
Under electric arc welding, what processes are used? - CORRECT ANSWER✅✅TIG, MIG, SMAW
Under electric resistance welding, what processes are used? - CORRECT ANSWER✅✅Spot, Seam
What fuel gases are commonly used in gas welding?* - CORRECT ANSWER✅✅Acetylene, Hydrogen,
Propane, MAPP, Natural gas
At what pressure does acetylene become unstable?* - CORRECT ANSWER✅✅15 PSI
At what pressure is acetylene guaranteed explosive? - CORRECT ANSWER✅✅30 PSI
