McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
Chapters
| 51. |
For Q 51, find radius of circle |
| A. | 3 |
| B. | 3.6 |
| C. | 4 |
| D. | 3.5 |
| Answer» B. 3.6 | |
| 52. |
For Q 51, find coordinates of point on circle at u=0 |
| A. | 11.6, 7 |
| B. | 7, 11 |
| C. | 11, 7 |
| D. | 11.5, 7.5 |
| Answer» A. 11.6, 7 | |
| 53. |
Find parametric equation for X-coordinates of hermite cubic spline curve having end points P0[4,4]; P1[8,5] |
| A. | -5u3+8u2+u+1 |
| B. | 5u3+8u2+u+1 |
| C. | 8u3-5u2-u+1 |
| D. | 8u3+5u2+u+1 |
| Answer» A. -5u3+8u2+u+1 | |
| 54. |
Find parametric equation for Y-coordinates of Hermite cubic spline curve having end points P0[4,4]; P1[8,5] |
| A. | 2u3-3u2+2u+4 |
| B. | 3u3-2u2-2u-4 |
| C. | 2u3-3u2-2u-4 |
| D. | 2u3+3u2+2u+4 |
| Answer» A. 2u3-3u2+2u+4 | |
| 55. |
C0 continuity refers to |
| A. | Common tangent |
| B. | Common curvature |
| C. | Common point |
| D. | Common normal |
| Answer» C. Common point | |
| 56. |
C‘ continuity refers to |
| A. | Common tangent |
| B. | Common curvature |
| C. | Common point |
| D. | Common normal |
| Answer» B. Common curvature | |
| 57. |
C” continuity refers to |
| A. | Common tangent |
| B. | Common curvature |
| C. | Common point |
| D. | Common normal |
| Answer» A. Common tangent | |
| 58. |
Which of the following is not a method to describe a curve mathematically? |
| A. | Explicit form |
| B. | Laplace form |
| C. | Implicit form |
| D. | Parametric form |
| Answer» B. Laplace form | |
| 59. |
When the curve passes through all the data points, then the curve is known as |
| A. | approximation curve |
| B. | pitch curve |
| C. | data curve |
| D. | interpolant curve |
| Answer» D. interpolant curve | |
| 60. |
When a smooth curve is approximated through the data points, then the curve is known as |
| A. | approximation curve |
| B. | pitch curve |
| C. | data curve |
| D. | interpolant curve |
| Answer» A. approximation curve | |
| 61. |
Synthetic curve pass through defined data points and thus can be represented by |
| A. | polynomial equations |
| B. | exponential equations |
| C. | partial differential equations |
| D. | differential equations |
| Answer» A. polynomial equations | |
| 62. |
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 |
| A. | the major diameter |
| B. | the minor diameter |
| C. | semi major diameter |
| D. | semi-minor diameter |
| Answer» A. the major diameter | |
| 63. |
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 |
| A. | larger than |
| B. | smaller than |
| C. | equal to |
| D. | none of the above |
| Answer» C. equal to | |
| 64. |
In synthetic curves, zero-order continuity yields |
| A. | a position continuous curve |
| B. | a slope continuous curve |
| C. | a curvature continuous curve |
| D. | none of the above |
| Answer» A. a position continuous curve | |
| 65. |
In synthetic curves, first-order continuity yields |
| A. | a position continuous curve |
| B. | a slope continuous curve |
| C. | a curvature continuous curve |
| D. | none of the above |
| Answer» B. a slope continuous curve | |
| 66. |
The B-spline curve has a |
| A. | first-order continuity |
| B. | second-order continuity |
| C. | zero-order continuity |
| D. | none of the above |
| Answer» B. second-order continuity | |
| 67. |
To determine the coefficients of the equation – two end-points and the two tangent vectors. This statement is true for which of the following? |
| A. | B-spline curve |
| B. | Hermite Cubic Spline Curve |
| C. | Beizer curve |
| D. | none of the above |
| Answer» B. Hermite Cubic Spline Curve | |
| 68. |
The Bezier curve is smoother than the Hermite cubic spline because it has _________ order derivatives. |
| A. | lower |
| B. | higher |
| C. | lower and higher both |
| D. | none of the above |
| Answer» B. higher | |
| 69. |
In the bezier curve, the curve is always________to first and last segments of the polygon |
| A. | normal |
| B. | parallel |
| C. | tangent |
| D. | none of the above |
| Answer» C. tangent | |
| 70. |
________curves allow local control of the curve. |
| A. | Analytical |
| B. | Hermite cubic spline |
| C. | Beizer |
| D. | B-Spline |
| Answer» D. B-Spline | |
| 71. |
In Beizer Curve, the curve follows __________ |
| A. | the control points |
| B. | the shape of the defining polygon |
| C. | the defining points |
| D. | none of the above |
| Answer» B. the shape of the defining polygon | |
| 72. |
In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon. |
| A. | decrease in the number of vertices |
| B. | increase in the number of vertices |
| C. | decrease in control points |
| D. | none of the above |
| Answer» B. increase in the number of vertices | |
| 73. |
The degree of the curve is independent of the number of control points in _____ |
| A. | Hermite cubic spline curve |
| B. | Bezier curve |
| C. | B-spline curve |
| D. | Hyperbola |
| Answer» C. B-spline curve | |
| 74. |
In modeling of a tabulated cylinder, the plane of the curve is _______ |
| A. | along the curve |
| B. | normal to the curve |
| C. | along the axis of the cylinder |
| D. | perpendicular to the axis of the cylinder |
| Answer» D. perpendicular to the axis of the cylinder | |
| 75. |
The ___________ is used to create a surface using curves that form closed boundaries |
| A. | ruled Surface |
| B. | plane Surface |
| C. | coons patch |
| D. | surface of Revolution |
| Answer» C. coons patch | |
| 76. |
________ command gives an array of object in 3D modeling |
| A. | Extrude |
| B. | Revolve |
| C. | Pattern |
| D. | All of the above |
| Answer» C. Pattern | |
| 77. |
To create a hollow part, which of the following command would be most efficient |
| A. | Extrude |
| B. | Sweep |
| C. | Shell |
| D. | Revolve |
| Answer» C. Shell | |
| 78. |
A cylinder can be created by drawing a rectangular shape using the ________ tool. |
| A. | revolve |
| B. | sweep |
| C. | extrude |
| D. | all of the above |
| Answer» A. revolve | |
| 79. |
For 3D modeling of automobile body styling, which of the following is a preferred technique |
| A. | Constructive Solid Geometry |
| B. | Pure Primitive Instancing |
| C. | Boundary Representation |
| D. | Spatial Occupancy Enumeration |
| Answer» C. Boundary Representation | |
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