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  • Question

  • The stiffness of the close coil helical spring is


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

  • Correct Answer
  •  

    • Theory of Structures problems

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    • 1. For calculating the allowable stress of long columns. The empirical formula , is known as

    • Options
    • A. Straight line formula
    • B. Parabolic formula
    • C. Perry's formula
    • D. Rankine's formula.
      • Discuss
    • 2. The normal component of a force inclined through ?° is obtained by multiplying the force by

    • Options
    • A. sin ?
    • B. cos ?
    • C. tan ?
    • D. sin ? cos ?
    • E. sin2?
      • Discuss
    • 3. In plastic analysis, the shape factor for a circular section, is

    • Options
    • A. 1.5
    • B. 1.6
    • C. 1.7
    • D. 1.75
      • Discuss
    • 4. The ratio of maximum shear stress to average shear stress of a circular beam, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. Pick up the correct statement from the following:

    • Options
    • A. In a loaded beam, the moment at which the first yield occurs is called yield moment
    • B. In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment
    • C. In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area
    • D. The ratio of plastic moment to the yield moment, is called shape factor
    • E. All the above.
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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.
      • Discuss

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