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Theory of Structures problems

  • 1. The horizontal thrust on the ends of a two hinged semicircular arch of radius R carrying

  • Options
  • A. a uniformly distributed load ? per unit run over its right half span, is
  • B. a uniformly distributed load ? per unit run over its entire span is
  • C. a distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is
  • D. all the above.
    • Discuss
  • 2. 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
  • 3. In the truss shown in given figure the force in member DC is
    Civil Engineering Theory of Structures: 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
  • 4. 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
  • 5. 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
  • 6. 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
  • 7. In the truss shown in given figure, the force in member BD is
    Civil Engineering Theory of Structures: In the truss shown in given figure, the force in member BD is

  • Options
  • A. 100 t compressive
  • B. 100 t tensile
  • C. zero
  • D. indeterminate
    • Discuss
  • 8. 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
  • 9. The equivalent length is of a column of length L having both the ends fixed, is

  • Options
  • A. 2L
  • B. L
  • C.
  • D.
    • Discuss
  • 10. 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

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