CAD-CAM and Automation MCQs with answers Page - 42

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Q. 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 .

  • (A) elements
  • (B) modules
  • (C) links
  • (D) models

A

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Q. Which of the following is not a method for calculation of the stiffness matrix?

  • (A) The minimum potential energy principle
  • (B) Galerkin's principle
  • (C) Weighted residual method
  • (D) Inverse matrix method

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Q. is defined as the ratio of the largest dimension of the element to the smallest dimension.

  • (A) Element depth ratio
  • (B) Mode shape ratio
  • (C) Aspect ratio
  • (D) None of the above

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Q. are used to express the geometry or shape of the element

  • (A) Mode shapes
  • (B) Shape functions
  • (C) Natural curves
  • (D) None of the above

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Q. When a thin plate is subjected to loading in its own plane only, the condition is called _

  • (A) plane stress
  • (B) plane strain
  • (C) zero stress
  • (D) zero strain

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Q. The characteristic of the shape function is

  • (A) the shape function has a unit value at one nodal point and zero value at the other nodes
  • (B) the sum of the shape function is equal to one
  • (C) both a & b
  • (D) None of the above

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Q. The points in the entire structure are defined using the coordinates system is known as

  • (A) local coordinates system
  • (B) natural coordinates system
  • (C) global coordinate system
  • (D) none of the above

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Q. The applications of the Finite Element Method in two-dimensional analyses are .

  • (A) stretching of plates
  • (B) gravity of dams
  • (C) axisymmetric shells
  • (D) all of the above

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Q. If the body is in a state of equilibrium then the energy is minimum. This statement is considered in .

  • (A) inverse matrix method
  • (B) weighted residual method
  • (C) Galerkin’s principle
  • (D) the minimum potential energy principle

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Q. Which of the following is true for the stiffness matrix (K)?

  • (A) K is a banded matrix
  • (B) K is un-symmetric
  • (C) K is an un-banded matrix
  • (D) none of the above

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