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  • Question

  • The point of contraflexure is a point where


  • Options
  • A. shear force changes sign
  • B. bending moment changes sign
  • C. shear force is maximum
  • D. bending moment is maximum

  • Correct Answer
  • bending moment changes sign 

    • Strength of Materials problems

    Search Results

    • 1. Which of the following statement is correct?

    • Options
    • A. The energy stored in a body, when strained within elastic limit is known as strain energy.
    • B. The maximum strain energy which can be stored in a body is termed as proof resilience.
    • C. The proof resilience per unit volume of a material is known as modulus of resilience.
    • D. all of the above
      • Discuss
    • 2. The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called

    • Options
    • A. elastic limit
    • B. yield point
    • C. ultimate point
    • D. breaking point
      • Discuss
    • 3. The neutral axis of the cross-section a beam is that axis at which the bending stress is

    • Options
    • A. zero
    • B. minimum
    • C. maximum
    • D. infinity
      • Discuss
    • 4. Whenever a material is loaded within elastic limit, stress is __________ strain.

    • Options
    • A. equal to
    • B. directly proportional to
    • C. inversely proportional to
      • Discuss
    • 5. When a bar is cooled to - 5°C, it will develop

    • Options
    • A. no stress
    • B. shear stress
    • C. tensile stress
    • D. compressive stress
      • Discuss
    • 6. The torque transmitted by a solid shaft of diameter (D) is (where ? = Maximum allowable shear stress)

    • Options
    • A. x ? x D3
    • B. x ? x D3
    • C. x ? x D3
    • D. x ? x D3
      • Discuss
    • 7. Euler's formula holds good only for

    • Options
    • A. short columns
    • B. long columns
    • C. both short and long columns
    • D. weak columns
      • Discuss
    • 8. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be

    • Options
    • A. 400 MPa
    • B. 500 MPa
    • C. 900 MPa
    • D. 1400 MPa
      • Discuss
    • 9. The maximum bending moment for the beam shown in the below figure, lies at a distance of __________ from the end B.

    • Options
    • A. l/2
    • B. l/3
    • C.
    • D.
      • Discuss
    • 10. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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