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Home Mechanical Engineering Strength of Materials Comments

  • Question
  • The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.


  • Options
  • A. equal to
  • B. one-half
  • C. twice
  • D. four times

  • Correct Answer
  • twice 


  • Strength of Materials problems


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    • 1. A thin cylindrical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to volumetric strain is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 2. A beam supported at its both ends is not a simply supported beam.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the

    • Options
    • A. axis of load
    • B. perpendicular to the axis of load
    • C. maximum moment of inertia
    • D. minimum moment of inertia
    • Discuss
    • 4. The deformation per unit length is called

    • Options
    • A. tensile stress
    • B. compressive stress
    • C. shear stress
    • D. strain
    • Discuss
    • 5. The strain energy stored in a solid circular shaft subjected to shear stress (?) is (where C = Modulus of rigidity for the shaft material)

    • Options
    • A. x Volume of shaft
    • B. x Volume of shaft
    • C. x Volume of shaft
    • D. x Volume of shaft
    • Discuss
    • 6. When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, the stress and strain induced is compressive.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. The bending moment at a point on a beam is the algebraic __________ of all the moments on either side of the point.

    • Options
    • A. sum
    • B. difference
    • Discuss
    • 8. The simply supported beam 'A' of length l carries a central point load W. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is

    • Options
    • A. 5/8
    • B. 8/5
    • C. 5/4
    • D. 4/5
    • Discuss
    • 9. In a simple bending of beams, the stress in the beam varies

    • Options
    • A. linearly
    • B. parabolically
    • C. hyperbolically
    • D. elliptically
    • Discuss
    • 10. The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)

    • Options
    • A. t
    • B. 2t
    • C. 4t
    • D. 8t
    • Discuss


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