SMAW Welding

What is the electrical stickout tolerance for most SMAW welding?

+- 1/8"

What size plate is generally welded vertical up?

1/4"

The AWS classification of SMAW electrode, E7018-H4R, what does the "H4" stand for?

4 ml of Hydrogen per 100 g of weld metal.

An E7024 electrode has what % iron powder in its coating?

50%

The majority of SMAW welding is done using what two polarities?

AC and DC+

The proper organization to call regarding safety concerns for arc radiation protection for the eye while arc welding is?

ANSI

The recommended power source for SMAW welding is what type?

Constant Current

What does CTOD stand for?

Crack Tip Opening Displacement

In SMAW welding, how is welding amperage set and determined?

Current is determined by the joint configuration and position as well as the type of welding electrode and size.

What SMAW rod is known as the "Code Rod"?

E7018

For improved impact properties, select the correct electrode?

E7018-1

Which of the following is a "low-hydrogen" electrode?

E7028

The AWS classification of SMAW electrode, E7018-H4R, what does the "E" stand for?

Electrode

The AWS classification of SMAW electrode, E7024 what does the "2" stand for?

Flat/Horizontal Position

In most inverters, what is used to increase the frequency of the incoming line signal of 50/60 Hz up to that of the inverter at 20,000 Hz?

IGBT

The AWS classification of SMAW electrode, E6010, what does the "60" stand for?

Minimum tensile strength

The AWS classification of SMAW electrode, E7018-H4R, what does the "R" stand for?

Moisture Resistance

What does SMAW stand for?

Shielded Metal Arc Welding

SMAW welding is often called what?

Stick welding

What is a straight bead sometimes called?

Stringer

What is the device inside the power supply that changes this condition to lower voltage and higher amperage suitable for welding?

Transformer

What does notch toughness do?

Welds of high notch toughness have greater resistance to cracking due to rapidly applied loads.