Polyline and Spline AutoCAD MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 24, 2024

1. What is a polyline in AutoCAD?
A) A single line segment
B) A connected sequence of line segments
C) A circular arc
D) A closed shape
Answer: B) A connected sequence of line segments

2. How can you create a polyline using the command line?
A) POLYLINE
B) PLINE
C) LINE
D) PLINEAR
Answer: B) PLINE

3. What command is used to edit an existing polyline?
A) POLYLINEEDIT
B) PEDIT
C) MODIFY
D) EDIT
Answer: B) PEDIT

4. Which option allows you to convert a line into a polyline?
A) SPLINE
B) JOIN
C) PEDIT
D) CONVERT
Answer: C) PEDIT

5. What does the SPLINE command do in AutoCAD?
A) Draws straight lines
B) Creates smooth curves
C) Forms polygons
D) Modifies existing lines
Answer: B) Creates smooth curves

6. Which of the following is NOT a method to create a polyline?
A) By specifying vertices
B) By joining lines
C) By using the SPLINE command
D) By entering a length
Answer: C) By using the SPLINE command

7. What does the “Close” option do in the polyline command?
A) Ends the drawing of the polyline
B) Connects the last vertex to the first
C) Deletes the polyline
D) Saves the drawing
Answer: B) Connects the last vertex to the first

8. How can you create a spline in AutoCAD?
A) By using the SPLINE command
B) By drawing a series of lines
C) By using the POLYLINE command
D) By joining multiple arcs
Answer: A) By using the SPLINE command

9. Which command is used to convert a spline to a polyline?
A) SPLINETOPOLYLINE
B) PEDIT
C) CONVERT
D) POLYLINEEDIT
Answer: B) PEDIT

10. What is the effect of using the “Fit” option while creating a spline?
A) It creates straight segments
B) It creates a spline that fits through specified points
C) It adjusts the angle of the spline
D) It closes the spline
Answer: B) It creates a spline that fits through specified points

11. What does the “Length” option do when editing a polyline?
A) Changes the total length of the polyline
B) Allows you to stretch the polyline
C) Defines the length of a new segment
D) Sets the width of the polyline
Answer: A) Changes the total length of the polyline

12. How can you draw a closed polyline?
A) Use the LINE command
B) Use the CIRCLE command
C) Use the POLYLINE command and close it
D) Use the SPLINE command
Answer: C) Use the POLYLINE command and close it

13. Which option allows you to create a spline using control points?
A) Control Point Spline
B) Fit Spline
C) Interpolated Spline
D) Freehand Spline
Answer: C) Interpolated Spline

14. What happens to the shape of a spline when you move its control points?
A) The spline remains unchanged
B) The spline becomes jagged
C) The spline is modified to fit the new control points
D) The spline gets deleted
Answer: C) The spline is modified to fit the new control points

15. Which of the following can be done using the PEDIT command?
A) Convert a polyline to a spline
B) Edit properties of a polyline
C) Join multiple polylines
D) All of the above
Answer: D) All of the above

16. How do you specify a bulge when creating a polyline?
A) By using the LENGTH option
B) By inputting a bulge factor
C) By specifying angles
D) By using the ARC option
Answer: B) By inputting a bulge factor

17. What does the “Width” option in the polyline command allow you to do?
A) Adjust the overall length
B) Set the width of the line segments
C) Create curves
D) Specify the height of the polyline
Answer: B) Set the width of the line segments

18. Which command allows you to create a 3D polyline?
A) POLYLINE
B) 3DPOLY
C) SPLINE
D) LINE
Answer: B) 3DPOLY

19. What is the function of the “Add Vertex” option in the PEDIT command?
A) To delete a vertex
B) To add a new point to the polyline
C) To modify an existing vertex
D) To create an arc
Answer: B) To add a new point to the polyline

20. How can you display the control points of a spline?
A) By selecting the spline
B) By using the SHOWPOINTS command
C) By right-clicking on the spline
D) Control points cannot be displayed
Answer: B) By using the SHOWPOINTS command

21. Which command allows you to break a polyline at a specific point?
A) BREAK
B) SPLIT
C) TRIM
D) PEDIT
Answer: A) BREAK

22. What does the “Edit Spline” option do?
A) Changes the color of the spline
B) Allows you to modify control points of a spline
C) Converts a spline into a polyline
D) Deletes the spline
Answer: B) Allows you to modify control points of a spline

23. How do you adjust the degree of a spline?
A) By using the SPLINE command options
B) By selecting a new degree from properties
C) Degrees cannot be adjusted
D) By using the REBUILD command
Answer: A) By using the SPLINE command options

24. Which command would you use to create a spline that passes through all specified points?
A) Fit Spline
B) Interpolated Spline
C) Control Point Spline
D) Freehand Spline
Answer: B) Interpolated Spline

25. How can you check the properties of a polyline?
A) By using the PROPERTIES palette
B) By typing the command PROPERTIES
C) By right-clicking on the polyline
D) All of the above
Answer: D) All of the above

26. What does the “Join” option do when working with polylines?
A) Combines multiple segments into one polyline
B) Creates a closed shape
C) Deletes selected segments
D) Adjusts the width
Answer: A) Combines multiple segments into one polyline

27. How can you specify the vertices of a polyline using the command line?
A) By entering coordinates
B) By clicking points on the screen
C) By using the mouse wheel
D) By using predefined points
Answer: A) By entering coordinates

28. What happens when you use the “Delete Vertex” option in PEDIT?
A) It removes the entire polyline
B) It deletes a specified vertex from the polyline
C) It closes the polyline
D) It modifies the width
Answer: B) It deletes a specified vertex from the polyline

29. Which command would you use to edit the properties of a spline?
A) SPLINEEDIT
B) PEDIT
C) SPLINE
D) MODIFY
Answer: A) SPLINEEDIT

30. How do you create a polyline using arcs?
A) By using the POLYLINE command and specifying arc segments
B) By using the ARC command
C) By using the PEDIT command
D) It cannot be done
Answer: A) By using the POLYLINE command and specifying arc segments

31. What does the “Segment” option allow you to do in the SPLINE command?
A) Draw individual line segments
B) Create multiple arcs
C) Control the number of segments in the spline
D) Adjust the length of the spline
Answer: C) Control the number of segments in the spline

32. How can you create a curved polyline in AutoCAD?
A) By using the SPLINE command
B) By using the ARC command within POLYLINE
C) By using the POLYLINE command and applying a bulge
D) All of the above
Answer: D) All of the above

33. What happens if you change the degree of a spline?
A) The spline gets deleted
B) The curvature changes
C) The spline remains unchanged
D) It converts to a polyline
Answer: B) The curvature changes

34. Which command allows you to extend a polyline?
A) EXTEND
B) PEDIT
C) STRETCH
D) LENGTH
Answer: B) PEDIT

35. What is the default degree of a spline in AutoCAD?
A) 1
B) 2
C) 3
D) 4
Answer: C) 3

36. How can you easily reshape a polyline in AutoCAD?
A) By using the TRIM command
B) By using the STRETCH command
C) By moving its vertices
D) By deleting and recreating it
Answer: C) By moving its vertices

37. Which of the following is true about a polyline?
A) It can only consist of straight segments
B) It cannot have a width
C) It can have varying widths along its length
D) It is the same as a spline
Answer: C) It can have varying widths along its length

38. What does the “Rebuild” option do in the context of a spline?
A) Changes the spline into a polyline
B) Adjusts the control points for better curvature
C) Deletes the spline
D) Closes the spline
Answer: B) Adjusts the control points for better curvature

39. What type of shapes can be created using the POLYLINE command?
A) Only straight lines
B) Only circular arcs
C) Both straight lines and arcs
D) Only closed shapes
Answer: C) Both straight lines and arcs

40. How can you smooth out a jagged spline?
A) By increasing the number of control points
B) By adjusting the degree of the spline
C) By rebuilding the spline
D) All of the above
Answer: D) All of the above

41. What command allows you to display the curvature of a spline?
A) CURVATURE
B) SPLINEEDIT
C) PROPERTIES
D) SPLINETABLE
Answer: C) PROPERTIES

42. How can you add fillets to a polyline?
A) By using the FILLET command
B) By using the PEDIT command
C) By drawing arcs manually
D) All of the above
Answer: D) All of the above

43. Which of the following tools is used to trim parts of a polyline?
A) TRIM
B) SPLINE
C) PEDIT
D) BOUNDARY
Answer: A) TRIM

44. What can you adjust in the properties of a polyline?
A) Color
B) Line type
C) Width
D) All of the above
Answer: D) All of the above

45. Which option allows for the adjustment of the bulge factor in a polyline?
A) OFFSET
B) PEDIT
C) LENGTH
D) ARC
Answer: B) PEDIT

46. How can you quickly convert a polyline to a spline?
A) Use the SPLINE command
B) Use the PEDIT command
C) Use the JOIN command
D) It cannot be done
Answer: B) Use the PEDIT command

47. Which command would you use to create a multi-segmented spline?
A) MULTISEGMENT
B) SPLINE
C) PEDIT
D) SPLINESEG
Answer: B) SPLINE

48. What does the “Close” option in the SPLINE command do?
A) Deletes the spline
B) Closes the spline at the starting point
C) Ends the spline
D) Converts the spline to a polyline
Answer: B) Closes the spline at the starting point

49. How can you undo the last action performed on a polyline?
A) Use the REDO command
B) Use the UNDO command
C) Use the REVERT command
D) It cannot be undone
Answer: B) Use the UNDO command

50. What is the primary advantage of using polylines over individual lines?
A) They are easier to modify
B) They can have varying widths
C) They can create complex shapes
D) All of the above
Answer: D) All of the above