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Strength of Materials problems

  • 1. For a given material, if E, C, K and m are Young's modulus, shearing modulus, bulk modulus and poisson ratio, the following relation does not hold good

  • Options
  • A.
  • B.
  • C.
  • D.
  • E.
    • Discuss
  • 2. In a shaft rotated by a couple, the shear force varies

  • Options
  • A. from zero at the centre to a maximum at the circumference
  • B. from minimum at the centre of maximum at the circumference
  • C. from maximum at the centre to zero at the circumference
  • D. equally throughout the section
  • E. none of these.
    • Discuss
  • 3. The force in the member DE of the truss shown in below figure will be
    Civil Engineering Strength of Materials: The force in the member DE of the truss shown in below figure will be

  • Options
  • A. zero
  • B. 2 W tensile
  • C. 2 W compressive
  • D. 4 W compressive
  • E. 4 W tensile.
    • Discuss
  • 4. The force in BD of the truss shown in below figure is :
    Civil Engineering Strength of Materials: The force in BD of the truss shown in below figure is :

  • Options
  • A. 500 kg compressive
  • B. 500 kg tensile
  • C. 1500 kg tensile
  • D. 1500 kg compressive
  • E. zero.
    • Discuss
  • 5. Along the neutral axis of a simply supported beam

  • Options
  • A. fibres do not undergo strain
  • B. fibres undergo minimum strain
  • C. fibres undergo maximum strain
  • D. none of these.
    • Discuss
  • 6. The section modulus of a rectangular light beam 25 metres long is 12.500 cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is

  • Options
  • A. 13.33 kg/cm2 tensile
  • B. 13.33 kg/cm2 compressive
  • C. 26.67 kg/cm2 tensile
  • D. 26.67 kg/cm2 compressive
  • E. none of these.
    • Discuss
  • 7. For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is

  • Options
  • A.
  • B.
  • C.
  • D.
  • E.
    • Discuss
  • 8. For the beam shown in below figure, the maximum positive bending moment is nearly equal to negative bending moment when L1 is equal to
    Civil Engineering Strength of Materials: For the beam shown in below figure, the maximum positive bending moment is nearly equal to negative

  • Options
  • A. 1.0 L
  • B. 0.7 L
  • C. 0.5 L
  • D. 0.35 L.
    • Discuss
  • 9. Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a concentrated load W at its free end, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 10. In a three hinged arch, the bending moment will be zero

  • Options
  • A. at right hinge only
  • B. at left hinge only
  • C. at both right and left hinges
  • D. at all the three hinges.
    • Discuss

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