1. In synthetic curves, second-order continuity yields
Correct : C. a curvature continuous curve
2. 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
Correct : A. the major diameter
3. When a smooth curve is approximated through the data points, then the curve is
known as
Correct : B. approximation curve
4. In Beizer Curve, the curve follows
Correct : B. the shape of the defining polygon
5. In Beizer Curve, the flexibility of the shape would increase with
Correct : B. increase in the number of vertices
6. The number of control points can be added or
subtracted in .
Correct : B. B-spline curve
7. The degree of the curve is independent of the number of control points in .
Correct : C. B-spline curve
8. The is used to create a surface using curves that form closed boundaries.
Correct : C. coons patch
9. B-rep and C-Rep are the methods of
Correct : A. solid modeling
10. Which kind of model can store information about geometry
Correct : A. Solid model
11. From the following, which method is also called as the Building Block Approach?
Correct : D. Constructive Solid Geometry
12. Structuring and combining the primitives of the solid model in the graphics database,
is achieved by the use of…..
Correct : C. boolean operations
13. The data representation of CSG objects is represented by
Correct : A. a binary tree
14. is an extension of the wireframe model with additional face information added.
Correct : B. B-rep
15. For 3D modeling of automobile body styling, which of the following is a preferred
technique?
Correct : C. Boundary Representation
16. Which of the following uses a number of two-dimensional profiles for generating a
three-dimensional object?
Correct : B. Lofting
17. To create a hollow part, which of the following command would be most efficient?
Correct : C. Shell
18. The curve is defined as the locus of a point moving with _ degree of freedom
Correct : B. 1
19. Write parametric equation of line having end points P1(3,5,8) and P2 (6,4,3).
Correct : A. [3 5 8]+u[3 -1 -5]
20. Find the tangent vector of line having end points P1(3,5,8) and P2 (6,4,3)
Correct : B. 3i-j-5k
21. Find coordinates of points on line having end points P1(3,5,8) and P2 (6,4,3) at u=0.25
Correct : C. [3.75 4.75 6.75]
22. Two lines are parallel when
Correct : A. P1 X P2=0
23. Two lines L1 and L2 having Parametric equations are P1=[3 4 7]+u[2 2 -6] and P2=[1
5 -2]+u[1 4 2]. Tangent vector for line L1
Correct : A. 2i+2j-6k
24. For Q 45, Tangent vector for line L2
Correct : D. i+4j+2k
25. For Q 45, Lines are perpendicular?
Correct : B. False
26. Parametric equation for circle
Correct : A. X=x+Rcosu; Y=y+Rsinu; Z=z
27. Center point of circle
Correct : A. [x1+x2]/2; [y1+y2]/2; [z1+z2]/2
28. A circle is represented by center point [5,5] and radius 6 units. Find the parametric
equation of circle and determine the various points on circle in first quadrant if increment in angle by 45o
Correct : A. 9.24,9.24
29. A circle is passing through two end points A[6,4] and B[10,10]. Find center point of
circle
Correct : C. 8,7
30. For Q 51, find radius of circle
Correct : B. 3.6
31. For Q 51, find coordinates of point on circle at u=0
Correct : A. 11.6, 7
32. Find parametric equation for X-coordinates of hermite cubic spline curve having end
points P0[4,4]; P1[8,5]
Correct : A. -5u3+8u2+u+1
33. Find parametric equation for Y-coordinates of Hermite cubic spline curve having end
points P0[4,4]; P1[8,5]
Correct : A. 2u3-3u2+2u+4
34. C0 continuity refers to
Correct : C. Common point
35. C‘ continuity refers to
Correct : B. Common curvature
36. C” continuity refers to
Correct : A. Common tangent
37. Which of the following is not a method to describe a curve mathematically?
Correct : B. Laplace form
38. When the curve passes through all the data points, then the curve is known as
Correct : D. interpolant curve
39. When a smooth curve is approximated through the data points, then the curve is known
as
Correct : A. approximation curve
40. Synthetic curve pass through defined data points and thus can be represented by
Correct : A. polynomial equations
41. 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
Correct : A. the major diameter
42. 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
Correct : C. equal to
43. In synthetic curves, zero-order continuity yields
Correct : A. a position continuous curve
44. In synthetic curves, first-order continuity yields
Correct : B. a slope continuous curve
45. The B-spline curve has a
Correct : B. second-order continuity
46. To determine the coefficients of the equation – two end-points and the two tangent
vectors. This statement is true for which of the following?
Correct : B. Hermite Cubic Spline Curve
47. The Bezier curve is smoother than the Hermite cubic spline because it has _________ order
derivatives.
Correct : B. higher
48. In the bezier curve, the curve is always________to first and last segments of the polygon
Correct : C. tangent
49. ________curves allow local control of the curve.
Correct : D. B-Spline
50. In Beizer Curve, the curve follows __________
Correct : B. the shape of the defining polygon
51. In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon.
Correct : B. increase in the number of vertices
52. The degree of the curve is independent of the number of control points in _____
Correct : C. B-spline curve
53. In modeling of a tabulated cylinder, the plane of the curve is _______
Correct : D. perpendicular to the axis of the cylinder
54. The ___________ is used to create a surface using curves that form closed boundaries
Correct : C. coons patch
55. ________ command gives an array of object in 3D modeling
Correct : C. Pattern
56. To create a hollow part, which of the following command would be most efficient
Correct : C. Shell
57. A cylinder can be created by drawing a rectangular shape using the ________ tool.
Correct : A. revolve
58. For 3D modeling of automobile body styling, which of the following is a preferred
technique
Correct : C. Boundary Representation
59. What is the full form of FEA
Correct : B. Finite Element Analysis
60. From the following, which type of element is not two dimensional?
Correct : A. Tetrahedron
61. For truss analysis, which type of elements is used?
Correct : D. Bar
62. To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that are
called
Correct : D. finite elements
63. The art of subdividing the structure into a convenient number of smaller elements is known
as
Correct : A. discretization
64. The sum of the shape function is equal to
Correct : C. 1
65. A triangular plane stress element has how many degrees of freedom?
Correct : D. 6
66. Number of displacement polynomials used for an element depends on .
Correct : C. degrees of freedom
67. On gathering stiffness and loads, the system of equations is given by
Correct : A. KQ=F
68. The finite element method is mostly used in the field of
Correct : D. engineering mechanics
69. In FEA, the sub domains are called as .
Correct : C. elements
70. The numbers of node for 1 D element are
Correct : B. 2
71. Finite element analysis deals with .
Correct : A. approximate numerical solution
72. Stiffness matrix depends on
Correct : C. both material and geometry
73. Example of 2-D Element is .
Correct : B. triangle
74. For 1-D bar elements if the structure is having 3 nodes then the stiffness matrix formed is
having an order of
Correct : B. 3*3
75. To find the nodal displacements in all parts of the element, are used.
Correct : A. shape function
76. The nature of loading at various locations and other surfaces conditions called
Correct : C. boundary condition
77. The truss element can resist only
Correct : B. axial force
78. The truss element can deform only in the
Correct : D. axial direction
79. Example for one – Dimensional element is .
Correct : C. truss element
80. The determinant of an element stiffness matrix is always
Correct : D. 0
81. How many nodes are there in a 3-D brick element?
Correct : C. 8
82. From below, choose the condition for the axisymmetric element.
Correct : D. All the above
83. Axis-Symmetric element is Element
Correct : B. 2D
84. is/are the phase/s of finite element method
Correct : C. Post Processing
85. The minimum number of dimensions are required to define the position of a point in space
is .
Correct : A. 3
86. The finite element methods can be applied in ---------areas.
Correct : D. all of the above
87. If the structure is more complex in order to simplify the model, we need to subdivide
the structure into substructures. These substructures are termed as .
Correct : B. modules
88. Which of the following is not a method for calculation of the stiffness matrix?
Correct : D. Inverse matrix method
89. is defined as the ratio of the largest dimension of the
element to the smallest dimension.
Correct : C. Aspect ratio
90. are used to express the geometry or shape of the
element
Correct : B. Shape functions
91. When a thin plate is subjected to loading in its own plane only, the condition is called _
Correct : A. plane stress
92. The characteristic of the shape function is
Correct : C. both a & b
93. The points in the entire structure are defined using the coordinates system is known as
Correct : C. global coordinate system
94. The applications of the Finite Element Method in two-dimensional analyses are .
Correct : C. axisymmetric shells
95. If the body is in a state of equilibrium then the energy is minimum. This statement is
considered in .
Correct : D. the minimum potential energy principle
96. Which of the following is true for the stiffness matrix (K)?
Correct : A. K is a banded matrix
97. The actual thickness of plane strain element is .
Correct : A. very large
98. Which of the following is not an FEA package?
Correct : D. AutoCAD
99. Which of the following module of FEA is used to determine natural frequency?