CAD - CAM Question with Answer

11. For generating Coons patch we require

  1. A set of grid points on surface
  2. A set of control points
  3. Four bounding curves defining surface
  4. Two bounding curves and a set of grid control points

12. GUI is the acronym for Graphical User Interface

  1. TRUE Statement
  2. FALSE Statement
  3. Dont know
  4. Cant tell

13. In a 2-D CAD package, clockwise circular arc of radius, 5, specified from P1 (15,10) to P2 (10,15) will have its center at

  1. (10, 10)
  2. (15, 10)
  3. (15, 15)
  4. (10, 15)

14. In computer aided drafting practice, an arc is defined by

  1. Two end points only
  2. Center and radius
  3. Radius and one end point
  4. Two end points and center

15. In the following geometric modelling techniques which are not three-dimensional modelling?

  1. Wireframe modelling
  2. Drafting
  3. Surface modelling
  4. solid modelling

16. In the following geometric modelling techniques, which one of the among cannot be used for finite element analysis

  1. Wireframe modelling
  2. Surface modelling
  3. Solid modelling
  4. none of the above

17. In the following geometric primitives, which is not a solid entity of CSG modelling

  1. Box
  2. Cone
  3. Cylinder
  4. Circle

18. In the following three-dimensional modelling techniques, Which do not require much computer time and memory?

  1. Surface modelling
  2. Solid modelling
  3. Wireframe modelling
  4. All of the above

19. Keyboard is a .............input device.

  1. Graphical
  2. Text
  3. Numericals
  4. All of the above

20. Light pen is a

  1. Writing device
  2. Drawing device
  3. Locating device
  4. Lighting device

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