Question 1

​Metal core arc welding electrodes are similar to what other type of electrodes?

Accepted Answer

A)  ​FCAW 
B)  ​GMAW 
C)  ​GTAW 
D)  ​SMAW

Question 2

In the AWS specification for carbon steel-covered arc electrodes, a 4 to the right of the tensile strength indicates the following welding position(s): ____.

Accepted Answer

A)  flat, horizontal, overhead, and vertical-down 
B)  all positions flat, horizontal, vertical, and overhead 
C)  flat only and is no longer used 
D)  horizontal fillets and flat

Question 3

____ indicates a composite electrode.

Accepted Answer

A)  E 
B)  R 
C)  ER 
D)  EC

Question 4

Some high-temperature slags, called ____________________, solidify before the weld metal solidifies.

Accepted Answer

The answer of Some high-temperature slags, called ____________________, solidify before...

Question 5

____ indicates a rod that is heated by some other source other than electric current flowing directly through it.

Accepted Answer

A)  R 
B)  B 
C)  RB 
D)  IN

Question 6

Which of the following is a function of the core wire?

Accepted Answer

A)  To provide some of the alloying elements. 
B)  To provide an arc stabilizer. 
C)  To serve as an insulator. 
D)  To carry the welding current.

Question 7

In the AWS specification for stainless steel-covered arc electrodes, following the prefix, the three-digit AISI stainless steel number is used to indicate ____.

Accepted Answer

A)  the minimum tensile strength of the deposited metal 
B)  usability and performance capabilities 
C)  a flux cored electrode 
D)  the type of stainless steel in the filler metal

Question 8

As the percentage of ____ increases, tensile strength, toughness, and corrosion resistance increase.

Accepted Answer

A)  silicon 
B)  chromium 
C)  nickel 
D)  molybdenum

Question 9

____________________ gases prevent the atmosphere from contaminating the weld metal as it transfers across the arc gap.

Accepted Answer

The answer of ____________________ gases prevent the atmosphere from contaminating...

Question 10

Explain arc blow and when it occurs.

Accepted Answer

The answer of Explain arc blow and when it occurs....

Exam 28: Filler Metal Selection

Metal core arc welding electrodes are similar to what other type of electrodes?

In the AWS specification for carbon steel-covered arc electrodes, a 4 to the right of the tensile strength indicates the following welding position(s) : ____.

____ indicates a composite electrode.

Some high-temperature slags, called ____________________, solidify before the weld metal solidifies.

____ indicates a rod that is heated by some other source other than electric current flowing directly through it.

Which of the following is a function of the core wire?

In the AWS specification for stainless steel-covered arc electrodes, following the prefix, the three-digit AISI stainless steel number is used to indicate ____.

As the percentage of ____ increases, tensile strength, toughness, and corrosion resistance increase.

____________________ gases prevent the atmosphere from contaminating the weld metal as it transfers across the arc gap.

Explain arc blow and when it occurs.

Exam 28: Filler Metal Selection

​Metal core arc welding electrodes are similar to what other type of electrodes?

In the AWS specification for carbon steel-covered arc electrodes, a 4 to the right of the tensile strength indicates the following welding position(s) : ____.

____ indicates a composite electrode.

Some high-temperature slags, called ____________________, solidify before the weld metal solidifies.

____ indicates a rod that is heated by some other source other than electric current flowing directly through it.

Which of the following is a function of the core wire?

In the AWS specification for stainless steel-covered arc electrodes, following the prefix, the three-digit AISI stainless steel number is used to indicate ____.

As the percentage of ____ increases, tensile strength, toughness, and corrosion resistance increase.

____________________ gases prevent the atmosphere from contaminating the weld metal as it transfers across the arc gap.

Explain arc blow and when it occurs.

Metal core arc welding electrodes are similar to what other type of electrodes?