Chapter 29

Question 1

True or False

The larger the diameter of an electrode the higher the amperage required to effectively use the electrode.

Answer 1

True

Question 2

Which of the following is NOT one of the 5 main groups of electrodes?

mild steel

special alloy steel

high-carbon steel

non-ferrous

cast iron

aluminum

Answer 2

aluminum

Question 3

Match the term to the definition when evaluating electrode classifications.

Indicates the best welding position(s)

a.
Fourth digit
b.
First 2 digits
c.
Third digit
d.
E

Answer 3

c
Third digit

Question 4

Match the term to the definition when evaluating electrode classifications.

Indicates the tensile strength in thousands of pounds per square inch

a.
Fourth digit
b.
First 2 digits
c.
Third digit
d.
E

Answer 4

b
First 2 digits

Question 5

Match the term to the definition when evaluating electrode classifications.
.
Indicates the electrode is used for electric arc welding

a.
Fourth digit
b.
First 2 digits
c.
Third digit
d.
E

Answer 5

d
E

Question 6

Match the term to the definition when evaluating electrode classifications.

Indicates the special characteristics of the electrode, such as type and general content of the coating, weld quality, amount of penetration, and the type of arc or electrical current

a.
Fourth digit
b.
First 2 digits
c.
Third digit
d.
E

Answer 6

a
Fourth digit

Question 7

What does AWS stand for?

Association of Welders Society

American Welding Society

Advanced Welding Systems

Answer 7

American Welding Society

Question 8

The most important information provided by AWS classifications are designators that indicate:

Whether the product is a stick electrode, solid wire or tubular wire

Its chemistry/composition

Its strength classifications

The position in which it should be used

All of the above

Answer 8

All of the above

Question 9

In Shielded Metal Arc Welding, what welding positions could you use with an E7018 electrode?

Horizontal

Overhead

Flat

Vertical

All of the above

Answer 9

All of the above