Answer Key: Self-Test C-3.1

  1. What material is used to provide a smooth surface on drafting boards and tables?
    1. Vinyl
  2. What would you use a hard lead pencil for?
    1. Instrument drawings
  3. What would you use a soft lead pencil for?
    1. Sketching
  4. What is an erasing shield used for?
    1. To keep erasures within a desired area
  5. What do you use a T-square for?
    1. To draw horizontal lines
  6. What can you use to draw complex curves besides a French curve?
    1. A spline
  7. A 1:50 scale would likely be found on a(n)
    1. Metric scale
  8. A [latex]\frac{1}{4}\text{"}[/latex] to 1′ scale would likely be found on a(n)
    1. Architect’s scale
  9. Which triangle is of most use to a plumber?
    1. 30°—60°—90°
  10. What is the name given to the drafting tool used in the design of cars and dresses?
    1. French curve
  11. What name is given to the drafting tool that contains pre-dimensioned holes in the right scale to accurately draw a symbol for equipment?
    1. Template
  12. When adjusting the pencil lead on a compass, how much shorter than the needle should the lead be?
    1. [latex]\frac{1}{32}\text{"}[/latex]
  13. What is the more modern name given to the drafting tool known as a spline?
    1. Flexible curve

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