NOCTI WELDING TEST QUESTIONS WITH GUARANTEED ACCURATE ANSWERS
What does GMAW stand for - ACCURATE ANSWERS✔✔ Gas Metal
Arc Welding
GMAW is generally done with what polarity? - ACCURATE
ANSWERS✔✔ Direct current electrode positive (DC+)
What type of power source is generally used for GMAW welding -
ACCURATE ANSWERS✔✔ Constant Voltage
What does E stand for in ER70S-6 - ACCURATE ANSWERS✔✔
electrode
, What does "70" stand for in ER70S-3? - ACCURATE ANSWERS✔✔
tensile strength
What mode of metal transfer allows for only flat/horizontal position
GMAW welding - ACCURATE ANSWERS✔✔ Spray
What gas mixture is generally associated with spray transfer on steel? -
ACCURATE ANSWERS✔✔ 80% AR/ 20% CO2
What gas mixture is generally associated with globular transfer on steel?
- ACCURATE ANSWERS✔✔ 90% AR/ 10%CO2
Inadequate gas flow can cause what defect in GMAW welding? -
ACCURATE ANSWERS✔✔ Porosity
What is generally not an effect of a worn or loose contact tip -
ACCURATE ANSWERS✔✔ porosity
What does STT stand for? - ACCURATE ANSWERS✔✔ Surface
Tension Transfer
What type of arc transfer is associated with STT? - ACCURATE
ANSWERS✔✔ short circuit
Cold lap or lack of fusion is generally associated with what type of arc
transfer - ACCURATE ANSWERS✔✔ Short Circuit