GMAW & FCAW (REVIEW QUESTIONS) WITH COMPLETE SOLUTIONS
9 views 0 purchase
Course
GMAW & FCAW
Institution
GMAW & FCAW
GMAW & FCAW (REVIEW QUESTIONS)
WITH COMPLETE SOLUTIONS
What happens to the weld pool if the travel speed is too fast during GMAW?
If the travel speed is too fast in GMAW, the weld pool may not have enough time to fill the
joint properly, leading to incomplete fusion and weak welds.
How doe...
GMAW & FCAW (REVIEW QUESTIONS)
WITH COMPLETE SOLUTIONS
What happens to the weld pool if the travel speed is too fast during GMAW?
✔✔If the travel speed is too fast in GMAW, the weld pool may not have enough time to fill the
joint properly, leading to incomplete fusion and weak welds.
How does the composition of the flux affect the welding process in FCAW?
✔✔The composition of the flux in FCAW can influence the arc stability, slag removal ease, and
the mechanical properties of the final weld.
What is the primary advantage of using dual-shield FCAW over self-shield FCAW?
✔✔The primary advantage of dual-shield FCAW is improved arc stability and reduced spatter
due to the combination of external shielding gas and flux.
What type of gas is commonly used for shielding in GMAW?
✔✔Argon and carbon dioxide are commonly used as shielding gases in GMAW, often in
mixtures to optimize weld quality.
1
, Why is maintaining a consistent arc length crucial in FCAW?
✔✔Maintaining a consistent arc length in FCAW is crucial because it directly affects heat input,
penetration, and bead shape.
How does wire diameter influence the welding parameters in GMAW?
✔✔Larger wire diameters typically require higher voltage and amperage settings, whereas
smaller diameters allow for more precise control at lower settings.
What are some common defects that can arise from improper technique in FCAW?
✔✔Common defects in FCAW include slag inclusions, porosity, and undercutting, often
resulting from improper technique or settings.
How does the welding position impact the choice of FCAW or GMAW?
✔✔The welding position may dictate the choice of FCAW for vertical or overhead work, as
FCAW can provide better control of the molten weld pool in challenging positions.
What safety measure should always be taken to prevent electrical hazards in welding?
✔✔Always ensure that the welding machine is properly grounded to prevent electrical shocks
during the welding process.
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BrilliantScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
