Nocti Welding Test Flashcards

What does GMAW stand for?

GMAW is generally done with what polarity?

What type of power source is generally used for GMAW welding?

What does "E" stand for in ER70S-6 electrode?

What does "70" stand for in ER70S-3?

What mode of metal transfer allows for only flat/horizontal position GMAW welding?

What gas mixture is generally associated with spray transfer on steel?

What gas mixture is generally associated with globular transfer on steel?

Inadequate gas flow can cause what defect in GMAW welding?

What is generally not an effect of a worn or loose contact tip?

What does STT stand for?

What type of arc transfer is associated with STT?

Cold lap or lack of fusion is generally associated with what type of arc transfer?

What does the "S" stand for in the GMAW classification for ER70S-6?

What mode of metal transfer allows for consistent all-position GMAW welding?

What gas mixture is generally associated with pulse transfer on steel?

What does SMAW stand for?

The majority of SMAW welding is done using what two polarities?

What is the recommended power source for SMAW welding?

What does the "E" in E7018-H4R stand for?

Which is not a fix to arc blow?

What does the "R" in E7018-H4R stand for?

What does the "2" in E7024 stand for?

A machine has a duty cycle of 300 Amps @ 20%. How long can you weld at 300 amps continuously?

What SMAW rod is known as the "code rod"?

What is the device inside the power supply that changes AC to DC?

To reduce the risk of hydrogen cracking, which electrode would you select?

In SMAW welding, what does "Hot Start" do?

For improved impact properties, select the correct electrode.

What electrode is not used to weld vertical down?

What technique is often associated with E6010 electrodes?

Which of the following is a fast-fill electrode?

A Class A fire extinguisher can be safely used on what type of fire?

When welding in a confined space, what is required?

What component of an oxygen cylinder allows the product to be removed?

What number filter lens should be used for medium gas welding?

Information contained in the tail of a welding symbol might include?

What does a flag on a welding symbol indicate?

Which welding symbol specifies a weld that extends completely around a joint?

A neutral oxygen-acetylene flame has a temperature range of?

In PAC (Plasma Arc Cutting), what does kerf refer to?

Electrodes used for CAC-A (Carbon Arc Cutting - Air) are made of what material?

In air carbon arc cutting, what is the purpose of compressed air?

Compressed air must be ______ in the PAC process.

The size of lead cables required for arc processes is determined by what?

When plasma arc cutting, dross can form on the bottom side of the metal due to what?

Which of the following is a ferrous metal?

The process of heating a metal and slowly cooling it to toughen it and reduce brittleness is known as what?

The ability of a metal to withstand shock loading is known as what?

What weld test is classified as a destructive test?

What does GTAW stand for?

What does TIG stand for?

What shielding gas is most commonly associated with GTAW?

What tungsten is the best choice for GTAW of aluminum?

What is one of the primary causes of porosity in GTAW?

GTAW of magnesium is done using what polarity?

What is the proper electrical stick-out of tungsten in most GTAW applications?

What is not true regarding GTAW using alternating current?

What is the proper type of power source for GTAW?

What polarity has electrons flowing from the tungsten to the workpiece?

What is not a recommended practice when adding filler metal in GTAW?

What is not an advantage of GTAW pulse welding?

What is the proper tungsten diameter for welding 1/4" steel in GTAW?

What determines the voltage when using GTAW?

What is not a recommended procedure for reducing high-frequency emissions?

Which of the following gases is not an inert gas?

Why is DC+ polarity not commonly used in GTAW?

What is the cause of tungsten "frosting" or discoloration?

Water-cooled GTAW torches generally have how many cables?

What is not a function of inert shielding gas for GTAW of aluminum?

What is not true when using 4043 versus 5356 filler in GTAW of aluminum?

When changing from argon to argon-helium, what needs adjustment?

What is not an advantage of GTAW?

What is not recommended for preparing aluminum prior to welding?

The proper organization to call regarding safety concerns when arc welding is?

The AWS classification of GTAW tungsten, EWP, what does the "W" represent?

What type of technology is most commonly found on GTAW machines for AC welding?

Which GTAW accessory does not allow for remote current control?

How should tungsten be prepared for welding steel?

What position should the high-frequency control be in for GTAW of stainless steel?

What is the identifying color band found on 2% thoriated tungsten?

What process uses a DC constant voltage power source?

A consumable in the GTAW process would include what?

What is the proper gas flow rate for use in GTAW applications?

The AWS classification of GTAW filler metal, ER70S-6, what does the "R" stand for?

What is one of the primary causes of porosity in GTAW?

What is not a true statement when welding aluminum vs. steel with GTAW?

When using GTAW, what is the proper torch angle to be used for most applications?

What happens to the GTAW torch duty cycle when using helium vs. argon?

What is a proper gas flow rate for use in GTAW applications?

What is the volt-amp curve used to plot the output of a constant current power supply?

What is a typical travel speed when using the GTAW process?

What is a typical travel speed when using the GTAW process?

What is the duty cycle of a SMAW power supply that can run for 7 minutes out of every 10-minute period without overheating?

One possible type of metal transfer when employing the GMAW consumable electrode process is _____ transfer.

What is the process of heating a metal and slow cooling it to toughen it and reduce brittleness?

The ability of a metal to withstand shock loading is known as its?

What weld test is classified as a destructive test?

Which of the following welds aligns two metal pieces approximately in the same plane?

When using reverse polarity, the electrode will be?

What is the recommended tungsten preparation for AC GTAW?

Not an advantage of adding helium to argon for a shielding gas?

The industry standard for rating GTAW torches is?

What converts AC input current into DC current?

What converts AC input current into DC current?

What is the name of the part in the GTAW torch designed to hold the tungsten?

What shielding gas is most commonly used in GTAW?

ER308L - what does the "L" represent?

What filler metal is best for welding dirty carbon steel?

What is the correct polarity for GTAW on copper?

What is not an advantage of GTAW when used outdoors?

What is the correct angle for adding filler metal to the molten puddle in GTAW?

How many cables do water-cooled GTAW torches generally have?

When using GTAW, what happens when switching from argon to an argon-helium mix?

What is the purpose of a rectifier in a welding machine?