Objective 04: Welding Symbol Reference Line, Arrow, and Tail

Question 1

What are the 3 key elements of a welding symbol?

Answer 1

1. Reference Line
2. Arrow
3. Tail

Question 2

Which 2 key elements of a welding symbol are compulsory features of all welding symbols?

Answer 2

1. Reference Line

2. Arrow

Question 3

Reference Line (Welding)

Answer 3

Straight, horizontal line which contains, above or below it, any tags, symbols, notations that describe the type, dimensions, or location of the weld.

Question 4

Arrow (Welding)

Answer 4

Non-horizontally joins the reference line to the joint at which the weld will be applied.

Question 5

Tail (Welding)

Answer 5

Located on the opposite end of the reference line and contains supplemental information to produce the specified weld

Question 6

How do the arrow and reference line work together?

Answer 6

To indicate which side of a joint the weld must be applied to

Question 7

Arrow Side (Welding)

Answer 7

The side of the joint to which the arrow is pointing

Question 8

Other Side (Welding)

Answer 8

The opposite side of the joint to which the arrow is pointing

Question 9

What does the location of information relative to the reference line determine?

Answer 9

1. Any information below the reference line applies to the arrow side of the joint
2. Any information above the reference line applies to the other side of the joint