1|Page
NOCTI TEST WELDING | COMPREHENSIVE
Q&A FOR CERTIFICATION SUCCESS
Size of lead cables required for arc processes is determined by the-correct-
answer-Rated amperage that is can carry without overheating
When plasma arc cutting, dross can form on the bottom side of the metal due to-
correct-answer-Travel speed too fast or slow
Which of the following is a ferrous metal-correct-answer-Mild steel
The process of heating a metal and slow cooling it in order to toughen it and
reduce brittleness is know as-correct-answer-Annealing
The ability of a metal to withstand shock loading is known as its-correct-answer-
Toughness
The _____ weld test is classified as a destructive test-correct-answer-Guided bend
,2|Page
Which of the following welds aligns two metal pieces approximately in the same
plane-correct-answer-Butt joint
When using reverse polarity, the electrode will be-correct-answer-Positive
What is the tensile strength strength of an E6012 electrode-correct-answer-
60,000
What is the duty cycle of a SMAW power supply that can run for seven minutes
out of every 10 minutes period without overheating-correct-answer-70 percent
One possible type of metal transfer when employing the GMAW consumable
electrode process is _____ transfer-correct-answer-Globular
For what process is a DC constant voltage power source used-correct-answer-
GMAW
, 3|Page
A consumable isn't he GTAW process would include-correct-answer-Filler rods
What is the proper gas flow rate for the use in GTAW application-correct-answer-
20 cfh
The AWS classification of GTAW filler metal, ER70S-6, what does the R stand for-
correct-answer-Rod
What is one of the primary causes of porosity in GTAW-correct-answer-Hydrogen
pickup
GTAW of magnesium is done using what polarity-correct-answer-AC
What is not an advantage of argon vs helium as a shielding gas in GTAW-correct-
answer-Argon = Smaller heat affected zone
What is the proper electrical stick out of tungsten in most GTAW applications-
correct-answer-1/8"
NOCTI TEST WELDING | COMPREHENSIVE
Q&A FOR CERTIFICATION SUCCESS
Size of lead cables required for arc processes is determined by the-correct-
answer-Rated amperage that is can carry without overheating
When plasma arc cutting, dross can form on the bottom side of the metal due to-
correct-answer-Travel speed too fast or slow
Which of the following is a ferrous metal-correct-answer-Mild steel
The process of heating a metal and slow cooling it in order to toughen it and
reduce brittleness is know as-correct-answer-Annealing
The ability of a metal to withstand shock loading is known as its-correct-answer-
Toughness
The _____ weld test is classified as a destructive test-correct-answer-Guided bend
,2|Page
Which of the following welds aligns two metal pieces approximately in the same
plane-correct-answer-Butt joint
When using reverse polarity, the electrode will be-correct-answer-Positive
What is the tensile strength strength of an E6012 electrode-correct-answer-
60,000
What is the duty cycle of a SMAW power supply that can run for seven minutes
out of every 10 minutes period without overheating-correct-answer-70 percent
One possible type of metal transfer when employing the GMAW consumable
electrode process is _____ transfer-correct-answer-Globular
For what process is a DC constant voltage power source used-correct-answer-
GMAW
, 3|Page
A consumable isn't he GTAW process would include-correct-answer-Filler rods
What is the proper gas flow rate for the use in GTAW application-correct-answer-
20 cfh
The AWS classification of GTAW filler metal, ER70S-6, what does the R stand for-
correct-answer-Rod
What is one of the primary causes of porosity in GTAW-correct-answer-Hydrogen
pickup
GTAW of magnesium is done using what polarity-correct-answer-AC
What is not an advantage of argon vs helium as a shielding gas in GTAW-correct-
answer-Argon = Smaller heat affected zone
What is the proper electrical stick out of tungsten in most GTAW applications-
correct-answer-1/8"
