Can You Pass This Physics Quiz On Force? Part II

15 Questions | Total Attempts: 67

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Can You Pass This Physics Quiz On Force? Part II

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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.

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