CAD-CAM and Automation MCQs with answers Page - 44

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Q. 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

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Q. 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

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Q. B-rep and C-Rep are the methods of

  • (A) solid modeling
  • (B) surface modeling
  • (C) wireframe modeling
  • (D) 2D modeling

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Q. Which kind of model can store information about geometry

  • (A) Solid model
  • (B) Surface model
  • (C) Wireframe model
  • (D) none of the above

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Q. From the following, which method is also called as the Building Block Approach?

  • (A) Cellular Decomposition
  • (B) Spatial Occupancy Enumeration
  • (C) Generalized Sweeps
  • (D) Constructive Solid Geometry

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Q. Structuring and combining the primitives of the solid model in the graphics database, is achieved by the use of…..

  • (A) FEA
  • (B) transformations
  • (C) boolean operations
  • (D) none of the above

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Q. The data representation of CSG objects is represented by

  • (A) a binary tree
  • (B) a boolean operation
  • (C) a primitive
  • (D) none of the above

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Q. is an extension of the wireframe model with additional face information added.

  • (A) CSG
  • (B) B-rep
  • (C) Loft
  • (D) none of the above

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Q. 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

A

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Q. Which of the following uses a number of two-dimensional profiles for generating a three-dimensional object?

  • (A) Tweaking
  • (B) Lofting
  • (C) Filleting
  • (D) none of the above

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