WorksheetsHow to Read and Understand Weld Symbols Quiz
Total questions: 15
Worksheet time: 11mins
What is the horizontal line in a welding symbol called?
Anchor line
Base line
Arrow line
Reference line
What does the flag on a welding symbol indicate?
All-around weld
Shop weld
Supplementary information
Field weld during erection
Where are the instructions for the arrow side of a joint found?
In the tail of the symbol
On the arrow itself
Below the reference line
Above the reference line
What does an open circle at the arrow/reference line junction indicate?
Unequal leg weld
All-around weld
Shop weld
Field weld
What is the purpose of the tail in a welding symbol?
To denote weld type
To show weld length
To provide supplementary information
To indicate weld size
What type of weld is commonly used for lap joints, corner joints, and T joints?
Slot weld
Fillet weld
Plug weld
Groove weld
What does the perpendicular leg of the fillet weld symbol represent?
Weld length
Weld size
Weld pitch
Weld depth
What does a dash between numbers in a fillet weld symbol indicate?
Weld angle and throat depth
Length and spacing of intermittent welds
Weld size and depth
Weld type and position
What type of weld is typically used for edge-to-edge joints?
Fillet weld
Groove weld
Plug weld
Slot weld
What does the bevel groove weld symbol's perpendicular line indicate?
Weld length
Supplementary information
Weld size
Chamfered edge
What type of groove weld is used to join two rounded or curved parts?
Square groove weld
Flare V-groove weld
J-groove weld
Bevel groove weld
What does the melt-thru symbol indicate?
Shop weld
Field weld
Incomplete joint penetration
Complete joint penetration with reinforcement
What type of weld is used to join overlapping members with holes?
Flare bevel weld
Plug weld
Fillet weld
Groove weld
What does the backing bar symbol indicate?
Complete joint penetration with backing
Unequal leg weld
Field weld
Shop weld
What does the pitch in a plug weld symbol represent?
Weld length
Weld depth
Center-to-center spacing
Weld size
