CAD - CAM Multiple Choice Questions and Answers

31. The axes of turning machine arc

1. Z and X-axes
2. X and Y-axes
3. Z and Y-axes
4. X, Y and Z-axes

32. The curve that follows a convex hull property is

1. Cubic spline
2. B-spline
3. Bezier curve
4. None of the above

33. The degree of the Bezier curve with n control points is

1. n + 1
2. n - I
3. n
4. 2n

34. The degree of the B-spline with varying knot vectors

1. Increases with knot vectors
2. Decreases with knot vectors
3. Remains constant
4. none of the above

35. The degrees of freedom of a two-node bar element are

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

36. The following is not a graphics standard

1. GKS
2. IGBS
3. UNIX
4. PHIGS

37. The heart of a computer is

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

38. The lost motion in CNC machine tool is on account of

1. Backlash in gearing
2. Wind-up of drive shafts
3. Deflection of machine tool members
4. All the above

39. The number of lines required to represent a cub in a wireframe model is

1. 8
2. 6
3. l2
4. I6

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

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