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  • Question

  • The force in BC of the truss shown in the given figure, is
    The force in BC of the truss shown in the given figure, is 3.0t compression 3.0t tension t tension t


  • Options
  • A. 3.0t compression
  • B. 3.0t tension
  • C. The force in BC of the truss shown in the given figure, is 3.0t compression 3.0t tension t tension tt tension
  • D. The force in BC of the truss shown in the given figure, is 3.0t compression 3.0t tension t tension tt compression
  • E. None of these.

  • Correct Answer
  • t tension 

    • Theory of Structures problems

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    • 1. The equivalent length of a column of length L having one end fixed and the other end free, is

    • Options
    • A. 2L
    • B. L
    • C.
    • D.
      • Discuss
    • 2. A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. The ratio of maximum and average shear stresses on a rectangular section, is

    • Options
    • A. 1
    • B. 1.25
    • C. 1.5
    • D. 2.0
    • E. 2.5
      • Discuss
    • 4. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span ; flexural rigidity being EI, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. The moment of inertia of a circular section about any diameter D, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. A simply supported beam A carries a point load at its midspan. An other identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. The load on a spring per unit deflection, is called

    • Options
    • A. stiffness
    • B. proof resilience
    • C. proof stress
    • D. proof load.
      • Discuss
    • 10. Ab and Ac are the cross sections of bronze and copper bars of equal length, ?b, ?c are their respective stresses due to load P. If Pb and Pc are the loads shared by them, (where Eb and Ec are their modulii).

    • Options
    • A.
    • B. P = Pb + Pc
    • C. P = Ab ?b + Ac ?b
    • D. all the above
      • Discuss

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