1. Service for its members
2. Public safety
3. Advisory to the government with regard to engineering matters
4. None of the above Question 17 (1 point) What is the axonometric projection of an object? 1. A special case of oblique projection. 2. A single-view orthogonal projection showing more than one face of the object. 3. A single-view orthogonal projection showing more than one face of the object, with one face in true shape. 4. A single-view orthogonal projection showing more than one face of the object in true shape. 5. A single-view orthogonal projection showing all faces of the object in true shape. 6. A single-view orthogonal projection showing more than one face of the object, with one face perspectively distorted. 7. None of the above. Question 18 (1 point) Which of the following statements best describes a three-point perspective projection?
1. The projection plane is parallel to two principal axes of the reference coordinate system.
2. The projection plane is perpendicular to two principal axes of the reference coordinate system.
3. The projection plane is defined by three vanishing points.
4. The projection plane intersects exactly two principal axes of the reference coordinate system.
5. The projection is not parallel to any principal axis of the reference