SMAW (Stick Welding) Test

What does the flux coating on a SMAW electrode do?

• Adds filler metal only

• Shields the arc and stabilizes the weld

• Provides electrical conductivity

• Cools the weld bead

SMAW power sources typically are:

• Constant voltage (CV) only

• Constant current (CC), AC, or DC

• Only DC

• Pulse current

Why is a short arc length important in SMAW?

• Increases slag formation

• Reduces spatter and improves bead control

• Makes the arc easier to see

• Automatically increases penetration

Which of the following is a common hazard with SMAW?

• Dust inhalation from grinding only

• Electric shock from live circuits

• Overheating wire feeder

• Laser reflections

The flux on the electrode protects the molten weld pool from:

• Excessive heat

• The atmosphere

• Arc blow

• Current flow

SMAW requires an external shielding gas supply.

• True

• False

Welding with too long an arc length will usually result in:

• Stronger welds

• Excessive spatter and porosity

• Deeper penetration

• Improved arc stability

Electrode classification (such as E7018) tells the welder:

• Only the brand of electrode

• Current type, tensile strength, and positions allowed

• Machine voltage settings

• The color code of the electrode

If a weld bead has porosity, one likely cause is:

• Travel speed too slow

• Contaminated base metal or moisture in electrode

• Too much penetration

• Too short an arc

If penetration is too shallow, you might:

• Increase travel speed

• Decrease amperage

• Increase amperage or reduce arc length

• Use smaller diameter electrode