Toughest Quiz On Force For 3rd Grade Students!

15 Questions | Total Attempts: 48

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Toughest Quiz On Force For 3rd Grade Students!

Do you believe that you have an adequate amount of knowledge when it comes to forcing? If you said yes then the third-grade quiz below is considered the toughest quiz on force and most people don’t pass it. Give it a shot and know that if you get to answer all the questions correctly, you are a certified force genius.


Questions and Answers
  • 1. 
    No. of unknown internal forces in each member of a rigid jointed plane frame is
    • A. 

      6

    • B. 

      3

    • C. 

      2

    • D. 

      1

  • 2. 
    In plastic analysis, the shape factor for a triangular section, is
    • A. 

      2.34

    • B. 

      1.34

    • C. 

      1.5

    • D. 

      1

  • 3. 
    Pick up the correct statement from the following:
    • A. 

      The ratio of plastic moment to the yield moment, is called shape factor

    • B. 

      In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment

    • C. 

      In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area

    • D. 

      All

  • 4. 
    The point of contraflexure is the point where
    • A. 

      B.M. is minimum

    • B. 

      S.F. is zero.

    • C. 

      B.M. changes sign

    • D. 

      B.M. is maximum

  • 5. 
    The forces in the members of simple trusses, may be analysed by
    • A. 

      Method of joints

    • B. 

      Method of sections

    • C. 

      Graphical method

    • D. 

      All

  • 6. 
    The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in
    • A. 

      Vertical direction

    • B. 

      Horizontal direction

    • C. 

      Inclined direction

    • D. 

      The direction in which the deflection is required

  • 7. 
    The carryover factor in a prismatic member whose far end is fixed
    • A. 

      0

    • B. 

      1/2

    • C. 

      3/4

    • D. 

      1

  • 8. 
    The Castigliano’s second theorem can be used to compute deflections
    • A. 

      In statically determinate structures only

    • B. 

      For any type of structure

    • C. 

      At the point under the load only

    • D. 

      For beams and frames only

  • 9. 
    For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at distance X from ends. The value of X is
    • A. 

      .211L

    • B. 

      .25 L

    • C. 

      .234 L

    • D. 

      .5 L

  • 10. 
    In the displacement method of structural analysis the basic unknowns are
    • A. 

      Displacements

    • B. 

      Forces

    • C. 

      Displacements and forces

    • D. 

      None of the above

  • 11. 
    For a two hinge arch, if one of the supports  settles down vertically, then the horizontal thrust
    • A. 

      Is increased

    • B. 

      Is decreased

    • C. 

      Remain unchanged

    • D. 

      Becomes zero

  • 12. 
    Which of the following methods of structural analysis is a force method
    • A. 

      Slope deflection Method

    • B. 

      Moment distribution Method

    • C. 

      Column analogy method

    • D. 

      None of the above

  • 13. 
    Rigid jointed plane frame is stable and statically determinate if
    • A. 

      (m+r) = 2j

    • B. 

      (m+r) = 3j

    • C. 

      (3m+r) = 3j

    • D. 

      (m+3r) = 3j

  • 14. 
    When a uniformly distributed load, longer than the span of a girder, moves from left to right, then the conditions of maximum bending moments at a section is that
    • A. 

      The head of the load reaches the section

    • B. 

      The tail of the load reaches the section

    • C. 

      The load position should be such that the section divides equally on both sides

    • D. 

      The load position should be such that the section divides the load in the same ratio as it divides the span

  • 15. 
    In case of principal axes of a section
    • A. 

      Sum of moment of inertia is zero

    • B. 

      Difference of moment inertia is zero

    • C. 

      Product of moment of inertia is zero

    • D. 

      None of these.