QUESTIONS FOR SELF-TESTS

1. Give the definition of the line.

2. What is the difference between a flat line and a spatial one?

3. Give examples of flat and spatial lines.

4. How is the formation of a straight line from the curve?

5. What determines the projection of a straight line?

6. What is the position of a straight line relative to the planes of projections?

7. What lines belong to level lines? What level lines do you know?

8. What lines belong to the projecting? Name the types of projecting lines.

9. How to determine the true value of the segment according to its complex drawing?

10. How can two straight lines be located in space?

11. How is a circle depicted in a complex drawing if it lies in a frontally projecting plane; in the frontal plane level; in the general plane?

12. How can one construct an ellipse — a rectangular projection of a circle located in the frontally projecting plane?

13. What parameters define a cylindrical helix?