Aha Trivia Stuff Everyone Should Know

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Stuff Every Drafting Scout Should Know: free practice in 30-second cards

Stuff Every Drafting Scout Should Know

Practice facts for the Drafting merit badge. Not an official Scouting America credential.

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Free to start, no sign-up. 89 cards so far. One Knowledge Score and day streak across all your courses.

Questions people ask

Is this practice test free?

Yes. The first 50 cards are free for everyone with no sign-up, each with the answer, why it is right and its sources. Aha Trivia members get all 89 cards and timed practice exams.

How many practice questions are there?

89 practice questions so far. Each one is a 3-choice card that takes about 30 seconds, and the course grows as new cards pass our source checks.

Where do the answers come from?

Every card lists the sources it was checked against, and each answer explains why it is right. If you think an answer is wrong, tap "Challenge this answer" in the game and it gets reviewed.

Can I study in the car?

Yes. Voice mode reads the questions out loud and you answer by voice.

Try 3 cards

  1. What is the main purpose of a technical drawing?
    Show the answer

    To communicate how something functions or is built. Technical drawing visually communicates how something functions or is constructed, giving one intended meaning.

  2. Why do drafters use standard symbols and units?
    Show the answer

    To make drawings easier to understand. Familiar symbols, units, and styles form a visual language that keeps drawings clear and unambiguous.

  3. How does a technical drawing differ from an artistic drawing?
    Show the answer

    It is meant to have one meaning. Artistic drawings are interpreted subjectively, but technical drawings are understood to have one intended meaning.

All 89 practice questions

The first 50 are free, with the answer, why it's right and the official sources. The other 39 (🔒) open with a membership (every test). Or play them as a game and track what you've learned.

Show all 89 questions
  1. What is the main purpose of a technical drawing?
  2. Why do drafters use standard symbols and units?
  3. How does a technical drawing differ from an artistic drawing?
  4. What is a sketch mainly used for in drafting?
  5. What tool draws arcs and circles by hand?
  6. What is a French curve used for?
  7. Why do drafters use templates?
  8. What does a drafting machine provide at any point on the page?
  9. What subjects help a drafter understand shapes and space?
  10. What has largely automated the mechanics of drafting?
  11. What are the two types of CAD systems used for technical drawings?
  12. What is the greatest strength of 2D CAD over hand drawing?
  13. What can a 3D CAD system check before manufacture?
  14. What is a section view used to show?
  15. What does an exploded view drawing show?
  16. What is an auxiliary view used for?
  17. What do pattern drawings show?
  18. What is an as-fitted drawing?
  19. What does an assembly drawing include to identify parts?
  20. What does a cutaway drawing remove to show?
  21. What is the main purpose of technical illustration?
  22. What does a drafter place on a T-square to draw angled lines?
  23. What does a spline let a drafter do?
  24. What does multiview projection show?
  25. What is the difference between first-angle and third-angle projection?
  26. What do working drawings cover during manufacturing?
  27. What does a patent drawing need to show?
  28. Why does a patent office specify drawing standards in detail?
  29. What is a professional drafter sometimes called?
  30. What does a 2D CAD system act like?
  31. What does an architect's scale help show on a drawing?
  32. What does a bill of materials list?
  33. What does a redlined drawing indicate?
  34. After fixing a redline, what should be added to the drawing?
  35. What lettering style is used to fill in title blocks?
  36. What should a rough sketch do before formatting paper?
  37. What does an electrical schematic use to represent components?
  38. What should a mechanical drawing include besides dimensions?
  39. What can a drafter learn by visiting a drafting workplace?
  40. What should you research about a drafting career?
  41. What does CAD stand for?
  42. What is a plan in architecture often used to show?
  43. What does ISO 128 standardize for technical drawings?
  44. What is a T-square slid along to draw parallel lines?
  45. In third-angle projection, where is the right side view placed?
  46. What does an orthographic projection show?
  47. What does a 2D CAD system still leave room for?
  48. What does the word isometric mean in Greek?
  49. In an isometric drawing, what angle separates any two coordinate axes?
  50. What is the outline of a cube drawn in isometric view?
  51. What can you place under drawing paper to help make isometric views? 🔒
  52. In isometric projection, how do objects appear as they get farther from the viewer? 🔒
  53. Why can isometric drawings be handy for architecture? 🔒
  54. What visual problem can isometric drawings sometimes create? 🔒
  55. What famous impossible shape can isometric drawings suggest? 🔒
  56. What are the three types of axonometric projections? 🔒
  57. What is a floor plan technically described as? 🔒
  58. What does a site plan show about a building project? 🔒
  59. What is an elevation in architectural drawing? 🔒
  60. What is a detail drawing used to show? 🔒
  61. What do lines leading into the distance do in perspective drawing? 🔒
  62. Which perspective convention is normal in architectural drawings? 🔒
  63. What are survey drawings used for? 🔒
  64. What do location drawings, also called general arrangement drawings, show? 🔒
  65. What do component drawings let workers do? 🔒
  66. What is rendering in architectural presentation? 🔒
  67. What does a presentation drawing typically include to show scale? 🔒
  68. What does a title block hold on a formatted sheet? 🔒
  69. What does a 3D CAD system create views from? 🔒
  70. What is the largest paper size normally used in modern architectural practice? 🔒
  71. Why are architectural drawings drawn to scale? 🔒
  72. What warning is commonly inscribed on architects' drawings? 🔒
  73. What is an isometric plan grid set at from the horizontal? 🔒
  74. What does an axonometric drawing use that keeps the original plan geometry? 🔒
  75. What is cabinet projection known for displaying without distortion? 🔒
  76. What does aerial perspective use to indicate distance? 🔒
  77. What are diagrams mainly used for in early architectural design? 🔒
  78. What does a montage image in architecture combine? 🔒
  79. What does a plan view include below the plan level? 🔒
  80. What does a site plan need to show for a construction project? 🔒
  81. What does a sectional elevation combine? 🔒
  82. What does a location drawing include? 🔒
  83. What does an isometric view of a cube show about its faces? 🔒
  84. What does isometric graph paper help you avoid? 🔒
  85. What do isometric video game graphics use to reveal facets of the environment? 🔒
  86. What is the most common projection used in isometric-style video games? 🔒
  87. What does a cutaway illustration avoid? 🔒
  88. What does a revision block on a drawing record? 🔒
  89. What does a revision marker do on a corrected drawing? 🔒