UPDATED NOCTI TEST WELDING
2024/2025 QUESTIONS WITH
COMPLETE ANSWERS
What does GMAW stand for - CORRECT ANSWER Gas Metal Arc Welding
GMAW is generally done with what polarity? - CORRECT ANSWER Direct
current electrode positive (DC+)
What type of power source is generally used for GMAW welding - CORRECT
ANSWER Constant Voltage
What does E stand for in ER70S-6 - CORRECT ANSWER electrode
What does "70" stand for in ER70S-3? - CORRECT ANSWER tensile strength
What mode of metal transfer allows for only flat/horizontal position GMAW welding
- CORRECT ANSWER Spray
What gas mixture is generally associated with spray transfer on steel? -
CORRECT ANSWER 80% AR/ 20% CO2
What gas mixture is generally associated with globular transfer on steel? -
CORRECT ANSWER 90% AR/ 10%CO2
,UPDATED NOCTI TEST WELDING
2024/2025 QUESTIONS WITH
COMPLETE ANSWERS
Inadequate gas flow can cause what defect in GMAW welding? - CORRECT
ANSWER Porosity
What is generally not an effect of a worn or loose contact tip - CORRECT
ANSWER porosity
What does STT stand for? - CORRECT ANSWER Surface Tension Transfer
What type of arc transfer is associated with STT? - CORRECT ANSWER short
circuit
Cold lap or lack of fusion is generally associated with what type of arc transfer -
CORRECT ANSWER Short Circuit
What does the s stand for in the GMAW classification for ER70S-6 - CORRECT
ANSWER Solid
What mode of metal transfer allows for consistent all position GMAW welding -
CORRECT ANSWER Short Circuit
What gas mixture is generally associated with pulse transfer on steel? -
CORRECT ANSWER 90% AR/ 10% CO2
, UPDATED NOCTI TEST WELDING
2024/2025 QUESTIONS WITH
COMPLETE ANSWERS
What does SMAW stand for? - CORRECT ANSWER Shielded Metal Arc Welding
The majority of smaw welding is done using what two polarities - CORRECT
ANSWER Dc+ , AC
The recommended power source for SMAW welding is what type - CORRECT
ANSWER Constant Current
The AWS a classification of SMAW electrode E7018-H4R what does E stand for? -
CORRECT ANSWER Electrode
Which is not a fix to arc blow - CORRECT ANSWER Increase current
(Amperage)
The AWS classification of smaw electrode, E7018-H4R, what does the R stand for -
CORRECT ANSWER Moisture resistance
The AWS classification of smaw electrode, E7024, what does the 2 stand for -
CORRECT ANSWER Flat/ Horizontal position
2024/2025 QUESTIONS WITH
COMPLETE ANSWERS
What does GMAW stand for - CORRECT ANSWER Gas Metal Arc Welding
GMAW is generally done with what polarity? - CORRECT ANSWER Direct
current electrode positive (DC+)
What type of power source is generally used for GMAW welding - CORRECT
ANSWER Constant Voltage
What does E stand for in ER70S-6 - CORRECT ANSWER electrode
What does "70" stand for in ER70S-3? - CORRECT ANSWER tensile strength
What mode of metal transfer allows for only flat/horizontal position GMAW welding
- CORRECT ANSWER Spray
What gas mixture is generally associated with spray transfer on steel? -
CORRECT ANSWER 80% AR/ 20% CO2
What gas mixture is generally associated with globular transfer on steel? -
CORRECT ANSWER 90% AR/ 10%CO2
,UPDATED NOCTI TEST WELDING
2024/2025 QUESTIONS WITH
COMPLETE ANSWERS
Inadequate gas flow can cause what defect in GMAW welding? - CORRECT
ANSWER Porosity
What is generally not an effect of a worn or loose contact tip - CORRECT
ANSWER porosity
What does STT stand for? - CORRECT ANSWER Surface Tension Transfer
What type of arc transfer is associated with STT? - CORRECT ANSWER short
circuit
Cold lap or lack of fusion is generally associated with what type of arc transfer -
CORRECT ANSWER Short Circuit
What does the s stand for in the GMAW classification for ER70S-6 - CORRECT
ANSWER Solid
What mode of metal transfer allows for consistent all position GMAW welding -
CORRECT ANSWER Short Circuit
What gas mixture is generally associated with pulse transfer on steel? -
CORRECT ANSWER 90% AR/ 10% CO2
, UPDATED NOCTI TEST WELDING
2024/2025 QUESTIONS WITH
COMPLETE ANSWERS
What does SMAW stand for? - CORRECT ANSWER Shielded Metal Arc Welding
The majority of smaw welding is done using what two polarities - CORRECT
ANSWER Dc+ , AC
The recommended power source for SMAW welding is what type - CORRECT
ANSWER Constant Current
The AWS a classification of SMAW electrode E7018-H4R what does E stand for? -
CORRECT ANSWER Electrode
Which is not a fix to arc blow - CORRECT ANSWER Increase current
(Amperage)
The AWS classification of smaw electrode, E7018-H4R, what does the R stand for -
CORRECT ANSWER Moisture resistance
The AWS classification of smaw electrode, E7024, what does the 2 stand for -
CORRECT ANSWER Flat/ Horizontal position
