FREE Certified Welder Blueprint Reading and Symbols Questions and Answers

Question 1

On a standard AWS welding symbol, where would you find information specifying the welding process to be used, such as GMAW or FCAW?

Accepted Answer

In the tail of the symbol

Answer

To the left of the weld symbol

Answer

Above the reference line

Answer

To the right of the weld symbol

Question 2

A blueprint shows a fillet weld symbol (a right triangle) placed above the solid horizontal reference line. What does this indicate to the welder?

Accepted Answer

The weld must be made on the side of the joint opposite from where the arrow is pointing.

Answer

The weld must be made on the side of the joint that the arrow is pointing to.

Answer

The weld needs to be a specific size indicated above the symbol.

Answer

The weld must be made on both sides of the joint.

Question 3

A welder is reviewing a blueprint for an on-site construction project. They notice a symbol that looks like a small flag at the junction of the arrow and the reference line. What does this 'field weld' symbol signify?

Accepted Answer

The weld must be completed at the construction site, not in the fabrication shop.

Answer

The weld requires special inspection.

Answer

The weld must be made in a specific sequence.

Answer

The weld is critical and must be performed by a senior welder.

Question 4

When interpreting a symbol for an intermittent fillet weld, two numbers are shown to the right of the weld symbol, such as '2-6'. What does the second number ('6') represent?

Accepted Answer

The center-to-center spacing, or pitch, of the welds.

Answer

The total number of welds required.

Answer

The length of the space between the welds.

Answer

The size of the weld leg in millimeters.

Question 5

Which of the following supplementary symbols, a circle at the intersection of the reference line and arrow, instructs the welder to perform the weld completely around the entire joint?

Accepted Answer

Weld-All-Around symbol

Answer

Field Weld symbol

Answer

Melt-Through symbol

Answer

Backing Weld symbol

Question 6

A blueprint calls for a V-groove weld. The symbol includes the numbers '1/2 (5/8)' to the left of the V-groove symbol. What does the number in the parentheses, (5/8), typically represent?

Accepted Answer

The effective throat thickness required for the weld.

Answer

The root opening of the joint.

Answer

The groove angle in degrees.

Answer

The length of the required weld.