Finite Element Techniques Mid - II, November - 2014

 October 25, 2015     VIKRAM     431

1. 

Accuracy of solution in a 2‐D component depends on

  • A. 

    Included angle of elements

  • B. 

    Size of the component

  • C. 

    No. of d.o.f /node

  • D. 

    Type of load



2. 

Stress‐strain matrix for axisymmetric element is of order

  • A. 

    3x3

  • B. 

    4x4

  • C. 

    6x6

  • D. 

    9x9



3. 

Number of stress components per node calculated for a triangular axisymmetric element is

  • A. 

    2

  • B. 

    3

  • C. 

    4

  • D. 

    5



4. 

A 3‐D dam is usually modeled with

  • A. 

    2‐D plane stress elements

  • B. 

    2‐D plane strain elements

  • C. 

    3‐D solid elements

  • D. 

    3‐D shell elements



5. 

An element with in‐plane loads having 3‐nodes along each side is a

  • A. 

    Constant strain element

  • B. 

    Linear strain element

  • C. 

    Quadratic strain element

  • D. 

    Constant displacement element



6. 

Derivatives of displacement function with respect to element coordinate system and non‐ dimensional coordinate system is given by

  • A. 

    Lagrangian

  • B. 

    Poisson

  • C. 

    Gaussian

  • D. 

    Jacobian



7. 

A symmetric structure can be analysed by modeling one symmetric part

  • A. 

    Depending on applied loads

  • B. 

    Depending on boundary conditions

  • C. 

    Always yes

  • D. 

    Depending on applied loads & boundary conditions



8. 

Gaussian points are used for

  • A. 

    Numerical integration

  • B. 

    Displacement calculation

  • C. 

    Stress calculation

  • D. 

    Strain calculation



9. 

Principal modes of vibration of a multi‐degrees of freedom system are

  • A. 

    Parallel

  • B. 

    Orthogonal

  • C. 

    Inter multiples

  • D. 

    Fractional multiples



10. 

With lumped mass matrix, the differential equation of vibration refers to

  • A. 

    Elastic coupling

  • B. 

    Inertia coupling

  • C. 

    Mode superposition

  • D. 

    Both (a) and (b)



11. 

A concrete pedestal is represented by ___________ type elements.



12. 

An axisymmetric element has ______number of degrees of freedom, compared to a symmetric elements.



13. 

Number of shape functions for a 8‐noded quadrilateral plane stress element are _________.



14. 

Shape functions for a triangular plane stress element are also called as ________________.



15. 

Conductance matrix is the equivalent of stiffness matrix in __________ analysis.



16. 

Number of degrees of freedom for a 4‐noded quadrilateral thermal element is __________.



17. 

A frequency of value ____________indicates rigid body motion along one degree of freedom.



18. 

Normalising eigenvector with respect to mass matrix is useful in _____________________.



19. 

A 4‐noded cantilever gives ____________ number of frequencies.



20. 

A 3‐noded simply supported beam gives _____________ number of frequencies.



  Related Links
R09 - II Mid - Term Examinations, November - 2014