Ques1.What are the types of shielding gases for GMAW?

Ques2.Explain the Reactive gases and gas mixtures used in GMAW.

Ques3.What are the Suggested gases and gas mixtures for use in GMAW spray transfer?

Ques 4.What is Flux Cored Arc Welding (FCAW)?

Ques 5.Explain Classification of flux cored wires.

Ques 6.What is Deposition rate and efficiency?