Self-Test C-3.1: Describe Drafting Tools and Materials

Complete Self-Test C-3.1 and check your answers.

1. What material is used to provide a smooth surface on drafting boards and tables?
   1. Hardwood
   2. Vinyl
   3. Plastic
   4. Rubber
2. What would you use a hard lead pencil for?
   1. Writing reports
   2. Instrument drawings
   3. Sketching
   4. Drafting
3. What would you use a soft lead pencil for?
   1. Writing reports
   2. Instrument drawings
   3. Sketching
   4. Drafting
4. What is an erasing shield used for?
   1. To erase mistakes
   2. To hold an eraser
   3. To keep erasures within a desired area
   4. To prevent the need for erasures
5. What do you use a T-square for?
   1. To draw horizontal lines
   2. To draw vertical lines
   3. To place the paper squarely on the drafting table
   4. To draw horizontal and vertical lines
6. What can you use to draw complex curves besides a French curve?
   1. A spline
   2. A triangle
   3. A circle template
   4. A compass
7. A 1:50 scale would likely be found on a(n)
   1. Metric scale
   2. Architect’s scale
   3. Mechanical engineer’s scale
   4. Civil engineer’s scale
8. A [latex]\frac{1}{4}\text{"}[/latex] to 1′ scale would likely be found on a(n)
   1. Metric scale
   2. Architect’s scale
   3. Mechanical engineer’s scale
   4. Civil engineer’s scale
9. Which triangle is of most use to a plumber?
   1. 15°—75°—90°
   2. 30°—60°—90°
   3. 45°—90°—45°
   4. 60°—60°—60°
10. What is the name given to the drafting tool used in the design of cars and dresses?

Answer:                                                                                                                

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?

Answer:                                                                                                                

12. When adjusting the pencil lead on a compass, how much shorter than the needle should the lead be?

Answer:                                                                                                                

13. What is the more modern name given to the drafting tool known as a spline?

Answer:                                                                                                                

Answer Key: Self-Test C-3.1 is on the other page.