GAS METAL ARC WELDING - Practice Mode

1) Which gas/mixture is likely to reduce the spatter loss in FCAW?

Argon and CO<sub>2</sub> mixed Argon and helium mixed Co<sub>2</sub> and helium mixed Only CO<sub>2</sub> gas

Correct Answer: Argon and CO<sub>2</sub> mixed

2) Which metal is welded with self shielded type FCAW?

Low alloy steel Stainless steel Carbon steel Different metal and different position

Correct Answer: Carbon steel

3) Which combination of metal and shielding gas give excellent cleaning action in GMAW welding process?

Copper, Argon Aluminium, Helium Magnesium, Argon Stainless steel Argon

Correct Answer: Magnesium, Argon

4) What is basic safety environmental condition for the welding area?

Dust free Clean area No congestion Well ventilated

Correct Answer: Well ventilated

5) What is the trouble shooting to wire wrapping on drive rolls of wire feeder in GMAW?

Adjust drive rolls pressure Replace drive rolls and guides Check drive rolls align properly Replace the drive motor

Correct Answer: Check drive rolls align properly

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