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  • Question
  • In the above question, the ratio of stiffness of spring 'B' to spring 'A' will be


  • Options
  • A. 2
  • B. 4
  • C. 6
  • D. 8

  • Correct Answer



  • Strength of Materials problems


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    • 1. When a body is subjected to a direct tensile stress (?) in one plane, then normal stress on an oblique section of the body inclined at an angle ? to the normal of the section is

    • Options
    • A. ? cos ?
    • B. ? cos2 ?
    • C. ? sin ?
    • D. ? sin2 ?
    • Discuss
    • 2. For biaxial stress, the planes of maximum shear are at right angles to each other and are inclined at 45° to the principal planes.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. A thin cylindrical shell of diameter (d), length (l) and thickness (t)is subjected to an internal pressure (p). The hoop stress in the shell is

    • Options
    • A. pd/t
    • B. pd/2t
    • C. pd/4t
    • D. pd/6t
    • Discuss
    • 4. A steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poission's ratio of the bar in tension will be __________ the Poisson's ratio for the bar in compression.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
    • Discuss
    • 5. The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, l = Original length of the body, A = Cross-sectional area of the body, and E = Young's modulus for the material of the body)

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 6. In a tensile test, when the material is stressed beyond elastic limit, the tensile strain __________ as compared to the stress.

    • Options
    • A. decreases slowly
    • B. increases slowly
    • C. decreases more quickly
    • D. increases more quickly
    • Discuss
    • 7. A pressure vessel is said to be a thick shell, when

    • Options
    • A. it is made of thick sheets
    • B. the internal pressure is very high
    • C. the ratio of wall thickness of the vessel to its diameter is less than 1/10.
    • D. the ratio of wall thickness of the vessel to its diameter is greater than 1/10.
    • Discuss
    • 8. The maximum bending moment of a simply supported beam of span l and carrying a point load W at the centre of beam, is

    • Options
    • A. Wl/4
    • B. Wl/2
    • C. Wl
    • D. Wl2/4
    • Discuss
    • 9. Within elastic limit, shear stress is __________ shear strain.

    • Options
    • A. equal to
    • B. less than
    • C. directly proportional to
    • D. inversely proportional to
    • Discuss
    • 10. The planes, which carry no shear stress, are known as principal planes.

    • Options
    • A. True
    • B. False
    • Discuss


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