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Strength of Materials problems

  • 1. The Young's modulus of a material is 125 GPa and Poissons ratio is 0.25. The modulus of rigidity of me material is

  • Options
  • A. 30 GPa
  • B. 50 GPa
  • C. 80 GPa
  • D. 100 GPa
    • Discuss
  • 2. The unit of Young's modulus is same as that of stress.

  • Options
  • A. True
  • B. False
    • Discuss
  • 3. Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as

  • Options
  • A. linear strain
  • B. lateral strain
  • C. volumetric strain
  • D. shear strain
    • Discuss
  • 4. The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the fixed end.

  • Options
  • A. wl/4
  • B. wl/2
  • C. wl
  • D. wl2/2
    • Discuss
  • 5. A continuous beam is one which is

  • Options
  • A. fixed at both ends
  • B. fixed at one end and free at the other end
  • C. supported on more than two supports
  • D. extending beyond the supports
    • Discuss
  • 6. In a beam of uniform strength, the bending stress developed is constant and is equal to the allowable stress at every section of the beam.

  • Options
  • A. True
  • B. False
    • Discuss
  • 7. The value of equivalent length is taken to be half of the actual length of a column with one end fixed and the other end free.

  • Options
  • A. Agree
  • B. Disagree
    • Discuss
  • 8. According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end hinged, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 9. In a stress-strain diagram for mild steel, as shown in the below figure, the point A represents
    Mechanical Engineering Strength of Materials: In a stress-strain diagram for mild steel, as shown in the below figure, the point A represen

  • Options
  • A. elastic limit
  • B. upper yield-point
  • C. lower yield point
  • D. breaking point
    • Discuss
  • 10. The shear force diagram of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length will be

  • Options
  • A. a right angled triangle
  • B. an issoscles triangle
  • C. an equilateral triangle
  • D. a rectangle
    • Discuss

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