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  • Question

  • Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,


  • Options
  • A. both beams are equally economical
  • B. square beam is more economical
  • C. circular beam is more economical
  • D. none of these

  • Correct Answer
  • square beam is more economical 

    • Strength of Materials problems

    Search Results

    • 1. A leaf spring is supported at the

    • Options
    • A. ends and loaded at the centre
    • B. centre and loaded at the ends
    • C. ends and loaded anywhere
    • D. centre and loaded anywhere
      • Discuss
    • 2. The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is __________ at the free end.

    • Options
    • A. zero
    • B. wl/4
    • C. wl/2
    • D. wl
      • Discuss
    • 3. In a stress-strain diagram as shown in the below figure, the curve A represents

    • Options
    • A. mild steel
    • B. soft brass
    • C. low carbon steel
    • D. cold rolled steel
      • Discuss
    • 4. For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material, and I = Moment of inertia of the beam section. )

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. A flitched beam is used to

    • Options
    • A. change the shape of the beam
    • B. effect the saving in material
    • C. equalise the strength in tension and compression
    • D. increase the cross-section of the beam
      • Discuss
    • 6. The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.

    • Options
    • A. in the centre
    • B. near the bottom
    • C. near the top
    • D. at any position
      • Discuss
    • 7. The direct stress induced in a long column is __________ as compared to bending stress.

    • Options
    • A. same
    • B. more
    • C. less
    • D. negligible
      • Discuss
    • 8. The assumption made in the theory of the reinforced cement concrete beam is that

    • Options
    • A. all the tensile stresses are taken up by the steel reinforcement only
    • B. there is a sufficient bond between steel and concrete
    • C. the steel and concrete are stressed within its elastic limit
    • D. all of the above
      • Discuss
    • 9. The tensile strength of ductile materials is __________ its compressive strength.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 10. The thickness of a thin cylindrical shell with hemispherical ends is __________ that of spherical ends.

    • Options
    • A. equal to
    • B. more than
    • C. less than
      • Discuss

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