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  • Question

  • In the truss shown in given figure, the force in member BD is
    In the truss shown in given figure, the force in member BD is 100 t compressive 100 t tensile zero i


  • Options
  • A. 100 t compressive
  • B. 100 t tensile
  • C. zero
  • D. indeterminate

  • Correct Answer
  • 100 t compressive 

    • Theory of Structures problems

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    • 1. Pick up the correct statement from the following:

    • Options
    • A. The moment of inertia is calculated about the axis about which bending takes place
    • B. If tensile stress is less than axial stress, the section experiences compressive stress
    • C. If tensile stress is equal to axial stress, the section experiences compressive stress
    • D. If tensile stress is more than axial stress, some portion of the section experiences a tensile stress
    • E. All the above.
      • Discuss
    • 2. The ratio of tangential and normal components of a stress on an inclined plane through ?° to the direction of the force, is :

    • Options
    • A. sin ?
    • B. cos ?
    • C. tan ?
    • D. cos ?
    • E. sec ?
      • Discuss
    • 3. A body is said to be in equilibrium if

    • Options
    • A. it moves horizontally
    • B. it moves vertically
    • C. it rotates about its C.G.
    • D. none of these.
      • Discuss
    • 4. In the truss shown in given figure the force in member DC is

    • Options
    • A. 100 t compressive
    • B. 100 t tensile
    • C. zero
    • D. indeterminate
      • Discuss
    • 5. The normal and tangential components of stress on an inclined plane through ?° to the direction of the force, will be equal if ? is

    • Options
    • A. 45°
    • B. 30°
    • C. 60°
    • D. 90°
      • Discuss
    • 6. A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. The equivalent length is of a column of length L having both the ends fixed, is

    • Options
    • A. 2L
    • B. L
    • C.
    • D.
      • Discuss
    • 8. The deflection of a uniform circular bar of diameter d and length l, which extends by an amount e under a tensile pull W, when it carries the same load at its mid-span, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. The equation of a parabolic arch of span l and rise h, is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Keeping breadth constant, depth of a cantilever of length l of uniform strength loaded with uniformly distributed load w varies from zero at the free end and

    • Options
    • A. at the fixed end
    • B.
    • C.
    • D. at the fixed end
      • Discuss

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