Computer Aided Design (3161903) MCQs
MCQs of Curves and Surfaces
| 11. |
Mathematically, the ellipse is a curve generated by a point moving in space such that at any position the sum of its distances from two fixed points (foci) is constant and equal to
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Answer:
Option (a) |
| 12. |
The parabola is defined mathematically as a curve generated by a point that moves such that its distance from the focus is always__________the distance to the directrix.
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Answer:
Option (c) |
| 13. |
In synthetic curves, zero-order continuity yields
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Answer:
Option (a) |
| 14. |
In synthetic curves, first-order continuity yields
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Answer:
Option (b) |
| 15. |
In synthetic curves, second-order continuity yields
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Answer:
Option (c) |
| 16. |
The B-spline curve has a
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Answer:
Option (b) |
| 17. |
To determine the coefficients of the equation – two end-points and the two tangent vectors. This statement is true for which of the following?
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Answer:
Option (b) |
| 18. |
The Bezier curve is smoother than the Hermite cubic spline because it has _________ order derivatives.
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Answer:
Option (b) |
| 19. |
In the bezier curve, the curve is always________to first and last segments of the polygon.
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Answer:
Option (c) |
| 20. |
________curves allow local control of the curve.
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Answer:
Option (d) |
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