GAS METAL ARC WELDING - Practice Mode

1) How the welder observes welding area of the joint in electron beam welding?

Safe optical mirror Safe optical helmet Safe optical hand screen having correct shade Safe optical viewing system containing optical mirror

Correct Answer: Safe optical viewing system containing optical mirror

2) How to protect from the toxic fumes during welding operation?

Wear helmet Use hand screen Use leather apron Use respirator pad

Correct Answer: Use respirator pad

3) What is the purpose of using copper coated filler wire in MIG / MAG welding?

To prevent rust To prevent rust To prevent atmosphere To prevent base metal reaction

Correct Answer: To prevent rust

Explanation:

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4) What is the angle of inclination of weld torch for flat position in GMAW welding process?

5 Degree - 10 Degree 10 Degree - 15 Degree 15 Degree - 25 Degree 25 Degree - 35 Degree

Correct Answer: 10 Degree - 15 Degree

5) How many Kgs weight of thermit is required against one Kg of wax?

10 to 15 Kgs 11 to 15 Kgs 12 to 14 Kgs 12 to 16 Kgs

Correct Answer: 12 to 14 Kgs

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