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Quizzes > Science

Welding Symbols Test: Check Your Shop Drawing Know-How

Quick, free weld symbol quiz with 20 questions. Instant results.

Editorial: Review CompletedCreated By: Allie WilsonUpdated Aug 24, 2025
Difficulty: Moderate
Grade: Grade 11
Study OutcomesCheat Sheet
Paper art promoting Welding Symbols Showdown trivia for high school and vocational learners.

This welding symbols quiz helps you read shop drawings, spot weld types, and see what to review. If you're studying for an exam, try our CSWIP 3.1 mock test and cwi practice test for more practice with codes and inspection basics. Get instant feedback as you go.

On a welding symbol, what does placing the weld symbol below the reference line indicate?
The weld is to be made on both sides of the joint
The weld is to be made on the arrow side of the joint
The weld is to be made in the shop only
The weld is to be made on the other side of the joint
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Which basic weld symbol represents a fillet weld?
A semicircle
A right triangle
A V shape
A square
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What does the small flag at the junction of the arrow and reference line indicate?
Melt-through required
Back weld
Field weld
All-around weld
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The circle at the elbow of the welding symbol means which of the following?
Spot weld
Weld all around
Seam weld
Plug weld
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On a welding symbol, the number to the left of a fillet symbol typically indicates what?
Root opening
Pitch of the weld
Length of the weld
Leg size of the fillet weld
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What letter is used with the contour symbol to indicate a grind finish?
G
C
M
U
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In AWS A2.4, what does placing a weld symbol above the reference line designate?
Weld to be made on the other side of the joint
Weld to be made on the arrow side
All-around weld
Field weld
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On a groove weld symbol, what does the number to the right of the symbol usually specify?
Weld length or pitch information
Groove angle
Contour finish method
Root opening
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Which symbol indicates a square groove weld?
A straight line perpendicular to the reference line
A J-shaped groove
A V-shaped groove
A U-shaped groove
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What does a bevel groove symbol look like on a welding symbol?
A semicircular bowl shape
A curved J shape
A single slanted line against a vertical edge
Two slanted lines forming a V
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Which supplementary symbol indicates a flush finished contour?
A circle above the weld symbol
A small convex curve above the weld symbol
A straight line (bar) above the weld symbol
A small concave curve above the weld symbol
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How is an intermittent fillet weld with equal length and pitch shown?
Leg size given to the left and pitch to the left separated by a slash
Length and pitch given to the right of the symbol separated by a hyphen (e.g., 2-6)
Pitch only placed above the reference line
Length only placed in the tail
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Which basic weld symbol represents a plug weld?
A U shape
A triangle
A rectangle with a diameter shown
A circle
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Which symbol indicates a seam weld (resistance)?
A straight line segment on the reference line
A circle with a bar
A rectangle with a diagonal
Two triangles back-to-back
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Where is a melt-through supplementary symbol placed on a welding symbol?
Opposite the groove symbol on the other side of the reference line
At the junction of arrow and reference line
At the tail of the symbol
Directly above the fillet symbol
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What do staggered intermittent fillet welds require on the welding symbol?
Two fillet symbols, one above and one below the reference line with length-pitch on each
A single fillet symbol with a circle at the elbow
A bevel groove symbol with a tail note
A plug weld symbol on both sides
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In a welding symbol for a slot weld, which dimension denotes slot length?
The dimension to the left of the symbol
The angle given in the tail
The dimension placed to the right of the symbol following the diameter and pitch
The root opening shown in parentheses
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How is backing (or a backing weld) indicated on a groove weld symbol?
A backing bar symbol placed opposite the groove symbol on the other side of the reference line
A flush contour bar above the groove symbol
A circle at the elbow
A flag at the elbow
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In AWS symbols, how is the groove angle for a V-groove shown?
As a fraction under the reference line
As a number to the left of the symbol
As an included angle value placed above or near the groove symbol
As a letter in the tail
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Which basic weld symbol indicates a surfacing weld?
A straight line with buildup height noted on the left
A circle
A J shape
A triangle
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Study Outcomes

  1. Analyze various welding symbols and their standard representations.
  2. Interpret the functional meanings behind essential welding symbols.
  3. Apply welding symbols to practical scenarios in technical diagrams.
  4. Evaluate the differences between similar welding symbols in diverse contexts.
  5. Demonstrate proficiency by accurately identifying symbols under time constraints.

Welding Symbols Test & Cheat Sheet

  1. Master the Three Main Components - Every welding symbol is secretly made of three friends: the reference line, arrow, and tail! Think of the reference line as the stage, the arrow as the spotlight pointing to your weld location, and the tail as the director's notes with extra specs. Dive deeper at .
  2. Distinguish Weld Symbols vs. Welding Symbols - While weld symbols tell you the type of weld (like fillet or groove), welding symbols pack in the full story - dimensions, angle, and finish details all included. It's like comparing a simple emoji to a full sentence of instructions! Learn how to tell them apart at .
  3. Decode Arrow Side vs. Other Side - Symbols drawn below the reference line mean "weld on the arrow side," while those above mean "other side." It's your secret code for which face of the joint you're working on. Crack this code at .
  4. Recognize Common Weld Types - Fillet, groove, plug, slot - each weld has its own quirky symbol that shows its shape and purpose. Think of these like different dance moves in the welding world! See them all at .
  5. Spot Supplementary Symbols - Need a convex finish or a flush contour? Supplemental symbols add that extra flair, specifying the exact finish and contour of your weld. It's like adding the cherry on top of a sundae! Check the details at .
  6. Understand Dimensions & Angles - Numbers around the weld symbol are your best friends: size shows up on the left, length on the right, and angles sit nearby to steer your torch. It's geometry in action on metal! Brush up at .
  7. Learn the Tail's Secret Role - The tail of a welding symbol can shout out the welding process, reference standards, or additional specs you can't skip. Think of it as the fine print that keeps everything legit. Unlock its secrets at .
  8. Practice Reading Blueprints - Nothing beats real-world practice! Grab some welding blueprints and spot each symbol, translating them into clear instructions. The more you decode, the more confident you'll get. Test your skills with examples from .
  9. Master Weld Placement & Orientation - Symbols can tell you if the job happens in the shop or out on the field, which affects your tools and approach. Getting this right means smoother, safer welds every time! Find tips at .
  10. Stay Updated with Standard Charts - The American Welding Society (AWS) publishes the official symbol charts you need to know. Keeping these standards in your back pocket is like carrying a cheat sheet to welding success! Access the charts at .
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