Electrode Classification/ GTAW

Why should low hydrogen electrodes be stored in a rod oven?

• To keep moisture off of them.

• to prevent arc strikes.

• to prevent the rods from warping.

• To keep them warm and ready to weld.

Tags

NGSS.HS-PS3-4

One method of striking an arc is scartching, what is another method?

• tapping

• hammering

• lifting

• Touching

What does NOT determine weld quality?

• Electrode

• Travel speed

• Length of arc

• Amperage

When welding overhead what arc length is used?

• Short

• Any length

• Long

• Medium

After striking the arc what arc length is used when SMAW Welding?

• Diameter of the rod

• 2 times the diameter of the rod

• 1/4 of the diameter of the rod

• 1/2 of the diameter of the rod

Which electrode has the highest tensile strength?

• 6010

• 6011

• 6013

• 7018

Where should low hydrogen rods be stored when not in use?

• Electrode oven

• Electrode dry room

• Electrode storage room

• Electrode storage bin

The first two numbers on a electrode classification indicate what?

• The minimum tensile strength in its deposited state

• contents of flux

• only to be used with AC

• Suitable for welding in the 2F position

When welding aluminum with GTAW what type of tungsten is recommended?

• EW2P

• EWP

• EW2TH

• E7018

What does the T in the electrode classification E-71T identify?

• A tubular wire

• Positions it can be used in

• Maximum amperage

• Shielding gas required