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  • Question

  • Flat spiral springs


  • Options
  • A. consist of uniform thin strips
  • B. are supported at outer end
  • C. are wound by applying a torque
  • D. are used in clock-work mechanism
  • E. all the above.

  • Correct Answer
  • all the above. 

    • Theory of Structures problems

    Search Results

    • 1. An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. The yield moment of a cross section is defined as the moment that will just produce the yield stress in

    • Options
    • A. the outer most fibre of the section
    • B. the inner most fibre of the section
    • C. the neutral fibre of the section
    • D. the fibre everywhere
      • Discuss
    • 3. By applying the static equations i.e. ?H = 0, ?V = 0 and ?M = 0, to a determinate structure, we may determine

    • Options
    • A. supporting reactions only
    • B. shear forces only
    • C. bending moments only
    • D. internal forces only
    • E. all the above.
      • Discuss
    • 4. The forces in the members of simple trusses, may be analysed by

    • Options
    • A. graphical method
    • B. method of joints
    • C. method of sections
    • D. all the above.
      • Discuss
    • 5. The locus of reaction of a two hinged semi-circular arch, is

    • Options
    • A. straight line
    • B. parabola
    • C. circle
    • D. hyperbola.
      • Discuss
    • 6. The equivalent length of a column of length L, having both the ends hinged, is

    • Options
    • A. 2L
    • B. L
    • C.
    • D.
      • Discuss
    • 7. For beams of uniform strength, if depth is constant,

    • Options
    • A. width b ? M
    • B. width b ? M
    • C. width b ? 3 M
    • D. width b ?
      • Discuss
    • 8. The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is

    • Options
    • A. 1.0
    • B. 1.5
    • C. 2.0
    • D. 2.5
    • E. 3.0
      • Discuss
    • 9. A rectangular column shown in the given figure carries a load P having eccentricities ex and ev along X and Y axes. The stress at any point (x, y) is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. A bar l metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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