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Welding 1 Module 4 exam questions and answers CA$21.03   Add to cart
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Welding 1 Module 4 exam questions and answers
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  • Course
  • NCCER
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  • Wisconsin College

(A-CAC) A jet of compressed air passing through the electrode holder and its head blows the molten metal away. All positions This (A-CAC) process can be used in _______________ on any metal that will conduct electricity, such as carbon steel, stainless steel, cast iron, and copper, as well...

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  • September 25, 2023
  • 2
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • welding 1 module 4
  • welding 1
  • welding 1 module 4 exam questions and answers

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  • Wisconsin College
  • NCCER
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Welding 1 Module 4 exam questions and answers
(A-CAC) - answer A jet of compressed air passing through the electrode holder and its head blows the molten metal away.
All positions - answer This (A-CAC) process can be used in _______________ on any metal that will conduct electricity, such as carbon steel, stainless steel, cast iron, and copper, as well as their alloys.
gouge weld grooves, back-gouge welds, defective welds, cracks for welding - answer It is primarily used to ___________________, ______________, ______________, and to prepare ________________.
higher - answer The currents used in A-CAC electrodes are much _____________ than those required for comparably sized shielded metal arc welding electrodes.
AC or DC - answer Either ___________ constant current welding machines may be used to supply power to A-CAC torches, but DC welding machines are usually preferred.
Plain for direct current )DC) - answer These electrodes for DC use DO NOT have a copper coating.
Copper-Coated for direct current (DC) - answer Copper coated electrodes for DC use are THE MOST COMMON.
Copper-coated for alternating current (AC) - answer Copper coated AC electrodes differ from copper coated DC electrodes because they contain RARE -EARTH MATERIALS that help stabilize the arc.

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