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Home ‣ Mechanical Engineering ‣ Strength of Materials Comments
  • Question

  • A steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce


  • Options
  • A. no stress
  • B. shear stress
  • C. tensile stress
  • D. compressive stress

  • Correct Answer
  • no stress 

    • Strength of Materials problems

    Search Results

    • 1. Strain resetters are used to

    • Options
    • A. measure shear strain
    • B. measure linear strain
    • C. measure volumetric strain
    • D. relieve strain
      • Discuss
    • 2. In order to prevent crushing of masonry at the base of the dam, the maximum stress should be __________ the permissible stress of the soil.

    • Options
    • A. equal to
    • B. less than
    • C. more than
      • Discuss
    • 3. For a beam, as shown in the below figure, the maximum deflection is .

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. In the torsion equation the term J/R is called

    • Options
    • A. shear modulus
    • B. section modulus
    • C. polar modulus
    • D. none of these
      • Discuss
    • 5. The maximum stress produced in a bar of tapering section is at

    • Options
    • A. smaller end
    • B. larger end
    • C. middle
    • D. anywhere
      • Discuss
    • 6. 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
    • 7. The deformation per unit length is called

    • Options
    • A. tensile stress
    • B. compressive stress
    • C. shear stress
    • D. strain
      • Discuss
    • 8. 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
    • 9. A beam supported at its both ends is not a simply supported beam.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. 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

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