Common Mild Steel Electrodes Flashcards
1
Q
Which electrodes are best suited for static loading purposes? (Asking for last digit.)
A
2 - Rutile
3 - Rutile
4 - Rutile
ALL RUTILE ELECTRODES ARE BEST SUITED FOR STATIC LOADING PURPOSES.
2
Q
A
3
Q
Which digits contain the largest amount of iron powder?
A
4 - RUTILE, 30%-50%
7 - Lime-coated (Low-hydrogen), 50%
8 - Lime-coated (Low-hydrogen), 30%-50%
4
Q
Which electrode(s) coating (digit) have no iron powder?
A
1 - Cellulose
5 - Lime-coated (low-hydrogen)
6 - Lime-coated (low-hydrogen)
5
Q
Which electrode adds potassium to its coating for arc stabilization?
A
E4311 (E6011)
6
Q
Which electrode(s) contains 3%-7% moisture?
A
E6010 (E4310) and E6011 (E4311)*
7
Q
Which electrode, when potassium is added to the coating, is best used for AC at low amperage’s?
A
E6013 (E4313)
