MIG Welding

Which of the following is another name for Metal Inert Gas Welding?

• Ground Metal Arc Welding

• Oxyfuel Welding

• Shielded Metal Arc Welding

• Gas Metal Arc Welding

Which of the following is an advantage of MIG welding?

• welding jobs can be performed faster

• weld cleaning and prep time is less

• a smaller heat-affected zone

• all answers are correct

What is the most common of MIG welding machine?

• alternating current

• 120 volt

• direct current

• straight polarity

Which of the following has an effect on bead width, spatter, undercutting, and penetration?

• welding voltage

• cable feed unit

• welding gun

• wire feed speed

What type of system allows the electrode to move from the spool to the MIG welding gun?

• shielding gas

• drive wheels

• constant voltage

• grounding and safety

If there is too little tension in the wire feed drive wheels then what may occur?

• drive wheel slippage

• wire to be fed into the puddle at an uneven rate

• poor-quality weld

• all answers are correct

What is a situation in which the electrode wire is fused to the contact tip?

• drive rolls

• drive wheel

• burnback

• flashback

Which of the following is a substance whose atoms are stable and will not react easily with atoms of other elements?

• inert gas

• oxygen

• oxyfuel

• nitrogen

_____ is the ability to be fashioned into a new form without breaking.

• transfer

• globular

• ductility

• welding

If molten metal from the wire electrode travels across the arc in large droplets then what type of pattern is this?

• transition transfer

• short arc transfer

• spray arc transfer

• globular transfer