CAD-CAM and Automation MCQs with answers Page - 43

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Q. The actual thickness of plane strain element is .

  • (A) very large
  • (B) very small
  • (C) assumed by software
  • (D) any of the above

A

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Q. Which of the following is not an FEA package?

  • (A) ANSYS
  • (B) Nastran
  • (C) Abaqus
  • (D) AutoCAD

A

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Q. Which of the following module of FEA is used to determine natural frequency?

  • (A) Static analysis
  • (B) Thermal analysis
  • (C) Modal analysis
  • (D) All of the above

A

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Q. For thermal analysis, the field variable is

  • (A) stress
  • (B) strain
  • (C) displacement
  • (D) Temperature

A

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Q. In synthetic curves, second-order continuity yields

  • (A) a position continuous curve
  • (B) a slope continuous curve
  • (C) a curvature continuous curve
  • (D) none of the above

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Q. 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

A

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Q. When a smooth curve is approximated through the data points, then the curve is known as

  • (A) interpolant curve
  • (B) approximation curve
  • (C) pitch curve
  • (D) data curve

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Q. 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

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Q. In Beizer Curve, the flexibility of the shape would increase with

  • (A) decrease in the number of vertices
  • (B) increase in the number of vertices
  • (C) decrease in control points
  • (D) none of the above

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Q. The number of control points can be added or subtracted in .

  • (A) Bezier curve
  • (B) B-spline curve
  • (C) Cubic spline curve
  • (D) all of the above

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