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  • Question

  • 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

  • Correct Answer
  • 5/14 

    • Strength of Materials problems

    Search Results

    • 1. 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
    • 2. 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
      • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. The maximum shear stress is equal to the radius of Mohr's circle.

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

    • Options
    • A. T/J
    • B. T/?
    • C. T/r
    • D. T/G
      • Discuss
    • 9. A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half, as shown in the below figure. If the rotation of B relative to A is 0.1 radian, the rotation of C relative to B will be

    • Options
    • A. 0.4 radian
    • B. 0.8 radian
    • C. 1.6 radian
    • D. 3.2 radian
      • Discuss
    • 10. If the magnitude of direct stress and bending stress is equal, then there will be zero stress at one of the extreme ends of a column.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss

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