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  • Question

  • Principal planes are subjected to


  • Options
  • A. normal stresses only
  • B. tangential stresses only
  • C. normal stresses as well as tangential stresses
  • D. none of these.

  • Correct Answer
  • normal stresses only 

    • Theory of Structures problems

    Search Results

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

    • Options
    • A. Hoop strain of the walls of a cylinder due to liquid is
    • B. Longitudinal strain in the walls of a cylinder due to liquid is
    • C. Volumetric change in the cylinderdue to liquid is
    • D. All the above.
      • Discuss
    • 2. A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm2, the side of the rod, is

    • Options
    • A. 1 cm
    • B. 1.5 cm
    • C. 2 cm
    • D. 2.5 cm
      • Discuss
    • 3. In plastic analysis, the shape factor for a triangular section, is

    • Options
    • A. 1.5
    • B. 1.34
    • C. 2.34
    • D. 2.5
      • Discuss
    • 4. The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. The stiffness of the close coil helical spring is

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

    • Options
    • A. at the fixed end
    • B. at the fixed end
    • C. at the fixed end
    • D. at the fixed end
      • Discuss
    • 7. A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is

    • Options
    • A. ?
    • B.
    • C.
    • D.
      • Discuss
    • 8. If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:

    • Options
    • A. Q = S + F
    • B. Q = S - F
    • C. Q = F - S
    • D. Q = S x F
    • E.
      • Discuss
    • 9. The total strain energy of a beam of length L, having moment of inertia of its section I, when subjected to a bending moment M, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is

    • Options
    • A. 25 N
    • B. 30 N
    • C. 35 N
    • D. 40 N
      • Discuss

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