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  • Question
  • A shaft of diameter D is subjected to a twisting moment (T) and a bending moment (M). If the maximum bending stress is equal to maximum shear stress developed, then M is equal to


  • Options
  • A. T/2
  • B. T
  • C. 2T
  • D. 4T

  • Correct Answer
  • T/2 


  • Strength of Materials problems


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    • 1. When a shaft, is subjected to torsion, the shear stress induced in the shaft varies from

    • Options
    • A. minimum at the centre to maximum at the circumference
    • B. maximum at the centre to minimum at the circumference
    • C. zero at the centre to maximum at the circumference
    • D. maximum at the centre to zero at the circumference
    • Discuss
    • 2. In a riveted joint, when the rivets in.the adjacent rows are staggered in such a way that every rivet is in the middle of the two rivets of the opposite row, the joint is said to be diamond riveted.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. The Poisson's ratio for steel varies from

    • Options
    • A. 0.23 to 0.27
    • B. 0.27 to 0.30
    • C. 0.31 to 0.34
    • D. 0.32 to 0.42
    • Discuss
    • 4. The proof resilience is the maximum strain energy which can be stored in a body.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. Young's modulus may be defined as the ratio of

    • Options
    • A. linear stress to lateral strain
    • B. lateral strain to linear strain
    • C. linear stress to linear strain
    • D. shear stress to shear strain
    • Discuss
    • 6. The deformation of a bar under its own weight is __________ the deformation, if the same body is subjected to a direct load equal to weight of the body.

    • Options
    • A. equal to
    • B. half
    • C. double
    • D. quadruple
    • Discuss
    • 7. The ratio of shear modulus to the modulus of elasticity for a Poisson's ratio of 0.4 will be

    • Options
    • A. 5/7
    • B. 7/5
    • C. 5/14
    • D. 14/5
    • Discuss
    • 8. When a bar of length l, width b and thickness t is subjected to a push of P, its

    • Options
    • A. length, width and thickness increases
    • B. length, width and thickness decreases
    • C. length increases, width and thickness decreases
    • D. length decreases, width and tickness increases
    • Discuss
    • 9. The maximum shear stress is equal to the radius of Mohr's circle.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 10. The torsional rigidity of a shaft is given by

    • Options
    • A. T/J
    • B. T/?
    • C. T/r
    • D. T/G
    • Discuss


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