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  • Question
  • If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shear stress in an oblique plane inclined at an angle ? to its transverse plane, is


  • Options
  • A. If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shea
  • B. If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shea
  • C. If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shea
  • D. If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shea
  • E.

  • Correct Answer
  •  


  • Strength of Materials problems


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    • 1. The principal stresses at a point are 100, 100 and-200 kgf/cm2, the octo hedral shear stress at the point is :

    • Options
    • A. 100 2 kg/cm2
    • B. 200 2 kg/cm2
    • C. 300 2 kg/cm2
    • D. 400 2 kg/cm2
    • E. 500 2 kg/cm2.
    • Discuss
    • 2. In a simply supported beam (l + 2a) with equal overhangs (a) and carrying a uniformly distributed load over its entire length, B.M. at the middle point of the beam will be zero if

    • Options
    • A. l = 2a
    • B. l = 4a
    • C. l < 2a
    • D. l > a
    • E. l > 3a.
    • Discuss
    • 3. Pick up the correct statement from the following :

    • Options
    • A. The distance of the eccentric axial load from the C.G. beyond which tension develops, is known as kern distance
    • B. In visco-elastic material, stress-strain relation is dependent on time
    • C. An instropic material has different properties is different directions
    • D. An orthotropic material has different properties in three mutually perpendicular directions
    • E. All the above.
    • Discuss
    • 4. A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be

    • Options
    • A. zero
    • B. upward
    • C. downward
    • D. none of these.
    • Discuss
    • 5. A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called

    • Options
    • A. plasticity of the metal
    • B. elasticity of the metal
    • C. fatigue of the metal
    • D. workability of the metal.
    • Discuss
    • 6. In a simply supported beam L with a triangular load W varying from zero at one end to the maximum value at the other end, the maximum bending moment is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
    • Discuss
    • 7. Strain energy of a member may be equated to

    • Options
    • A. average resistance x displacement
    • B. stress x strain x area of its cross-section
    • C. stress x strain x volume of the member
    • D. (stress)2 x volume of the member + Young's modulus E.
    • Discuss
    • 8. If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of

    • Options
    • A. b/d
    • B. d/b
    • C. (d/b)2
    • D. (b/d)2
    • E. (b/d)3.
    • Discuss
    • 9. The bending moment at E for the structure shown in below figure, is

    • Options
    • A. zero
    • B. 10 Tm
    • C. 20 Tm
    • D. 40 Tm.
    • Discuss
    • 10. Along the principal plan subjected to maximum principal stress

    • Options
    • A. maximum shear stress acts
    • B. minimum shear stress acts
    • C. no shear stress acts
    • D. none of these.
    • Discuss


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