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  • Question
  • A body is subjected to two normal stresses 20 kN/m2 (tensile) and 10 kN/m2 (compressive) acting perpendicular to each other. The maximum shear stress is


  • Options
  • A. 5 kN/m2
  • B. 10 kN/m2
  • C. 15 kN/m2
  • D. 20 kN/m2

  • Correct Answer
  • 15 kN/m2 


  • Strength of Materials problems


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    • 1. A welded joint as compared to a riveted joint has __________ strength.

    • Options
    • A. same
    • B. less
    • C. more
    • Discuss
    • 2. For the beam shown in the below figure, the shear force at A is equal to

    • Options
    • A. wl/6
    • B. wl/3
    • C. wl
    • D. 2 wl/3
    • Discuss
    • 3. In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the

    • Options
    • A. normal stress remains constant in all directions
    • B. normal stress varies linearly in the material
    • C. elastic constants are same in all the directions
    • D. elastic constants varies linearly in the material
    • Discuss
    • 4. PERT is a project planning and control technique.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. Actual performance of a task is called

    • Options
    • A. an event
    • B. an activity
    • C. a duration
    • D. none of these
    • Discuss
    • 6. When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at

    • Options
    • A. bottom fibre
    • B. top fibre
    • C. neutral axis
    • D. centre of gravity
    • Discuss
    • 7. A beam of uniform strength has

    • Options
    • A. same cross-section throughout the beam
    • B. same bending stress at every section
    • C. same bending moment at every section
    • D. same shear stress at every section
    • Discuss
    • 8. In the below figure, the stress corresponding to point D is

    • Options
    • A. yield point stress
    • B. breaking stress
    • C. ultimate stress
    • D. elastic limit
    • Discuss
    • 9. Two shafts 'A' and 'B' are made of same material. The shaft 'A' is solid and has diameter D. The shaft 'B' is hollow with outer diameter D and inner diameter D/2. The strength of hollow shaft in torsion is __________ as that of solid shaft.

    • Options
    • A. 1/16
    • B. 1/8
    • C. 1/4
    • D. 15/16
    • Discuss
    • 10. The extremeties of any diameter on Mohr's circle represent

    • Options
    • A. principal stresses
    • B. normal stresses on planes at 45°
    • C. shear stresses on planes at 45°
    • D. normal and shear stresses on a plane
    • Discuss


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