CAD - CAM Multiple Choice Questions and Answers

41. The number of non-coincidental points required to define the simplest surface are

1. 4
2. 3
3. 2
4. 5

42. The number of tangents required to describe cubic splines is

1. 2
2. 1
3. 3
4. 4

43. The order of the cubic spline is the C

1. 2" order
2. 3" order
3. 1" order
4. 4" order

44. The screen is scanned from left to right, top to bottom all the time to generate graphics by

1. Raster scans
2. Random scan
3. Vector scan
4. Stoke writing

45. The shape functions of a two-node bar element are

1. Linear
2. Quadratic
3. Constant
4. None of the above

46. The tensor product technique constraints surfaces by two curves.

1. Adding
2. Subtraction
3. Multiplying
4. Dividing

47. The widely employed computer architecture for CAD/CAM applications is

1. Mainframe-based system
2. Minicomputer-based system
3. Microcomputer-based system
4. Workstation-based system

48. Thumbwheels are usually mounted on

1. Keyboard
2. Monitor
3. CPU
4. Mouse

49. Which of the following is not a synthetic entity?

1. Hyperbola
2. Bezier curve
3. B-spline curve
4. Cubic spline curve

50. Which of the following is not an analytical entity?

1. Line
2. Circle
3. Spline
4. Parabola