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NOCTI TEST WELDING|UPDATED&VERIFIED|WITH SOLUTIONS|GUARANTEED SUCCESS

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What does GMAW stand for Gas Metal Arc Welding GMAW is generally done with what polarity? Direct current electrode positive (DC+) What type of power source is generally used for GMAW welding Constant Voltage What does E stand for in ER70S-6 electrode What does "70" stand for in ER70S-3? tensile strength What mode of metal transfer allows for only flat/horizontal position GMAW welding Spray What gas mixture is generally associated with spray transfer on steel? 80% AR/ 20% CO2 What gas mixture is generally associated with globular transfer on steel? 90% AR/ 10%CO2 Inadequate gas flow can cause what defect in GMAW welding? Porosity What is generally not an effect of a worn or loose contact tip porosity What does STT stand for? Surface Tension Transfer What type of arc transfer is associated with STT? short circuit Cold lap or lack of fusion is generally associated with what type of arc transfer Short Circuit What does the s stand for in the GMAW classification for ER70S-6 Solid What mode of metal transfer allows for consistent all position GMAW welding Short Circuit What gas mixture is generally associated with pulse transfer on steel? 90% AR/ 10% CO2 What does SMAW stand for? Shielded Metal Arc Welding The majority of smaw welding is done using what two polarities Dc+ , AC The recommended power source for SMAW welding is what type Constant Current The AWS a classification of SMAW electrode E7018-H4R what does E stand for? Electrode Which is not a fix to arc blow Increase current (Amperage) The AWS classification of smaw electrode, E7018-H4R, what does the R stand for Moisture resistance The AWS classification of smaw electrode, E7024, what does the 2 stand for Flat/ Horizontal position A machine has a duty cycle of 300 Amps @ 20%. How long can you weld for at 300 amps continuously before the machine shuts down 2 minutes What smaw rod is know as the "code rod" E7018 What is the device inside the power supply that changes AC to DC Rectifier To reduce the risk of hydrogen cracking, which electrode would you select? E7018 In SMAW welding, what does "Hot Start" do Provides an additional boost of current when striking the arc For improved impact properties, select the correct electrode? E7018-1 What electrode is not used to weld vertical down E7018

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