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  • Question

  • A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is


  • Options
  • A. M
  • B. M/2
  • C. M/3
  • D. ML/2

  • Correct Answer
  • M 

    • Strength of Materials problems

    Search Results

    • 1. If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is

    • Options
    • A. 240 kg
    • B. 250 kg
    • C. 260 kg
    • D. 270 kg
    • E. 280 kg.
      • Discuss
    • 2. In the cantilever truss as shown in below figure, the horizontal component of the reaction at A, is

    • Options
    • A. 30 tonnes
    • B. 60 tonnes
    • C. 90 tonnes
    • D. 120 tonnes
    • E. 150 tonnes.
      • Discuss
    • 3. If n is the ratio of internal and external diameters of a hollow shaft, the ratio of the weight of the hollow shaft and that of solid shaft of same strength, will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. The shape of the bending moment diagram over the length of a beam, having no external load, is always

    • Options
    • A. linear
    • B. parabolic
    • C. cubical
    • D. circular.
      • Discuss
    • 5. The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is

    • Options
    • A. 1/4
    • B. 1/2
    • C. 1/16
    • D. 15/16
    • E. 3/8
      • Discuss
    • 6. If the shear force along a section of a beam is zero, the bending moment at the section is

    • Options
    • A. zero
    • B. maximum
    • C. minimum
    • D. average of maximum-minimum
    • E. none of these.
      • Discuss
    • 7. A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be

    • Options
    • A. WL
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 8. Pick up the incorrect statement

    • Options
    • A. The cross-sectional area of the welded member is effective
    • B. A welded joint develops strength of its parent metal
    • C. Welded joints provide rigidity
    • D. Welded joints have better finish
    • E. Welding takes more time than riveting.
      • Discuss
    • 9. In a tension test, the yield stress is 300 kg/cm2, in the octa hedral shear stress at the point is:

    • Options
    • A. 100 2 kg/cm2
    • B. 150 2 kg/cm2
    • C. 200 2 kg/cm
    • D. 250 2 kg/cm2.
      • Discuss
    • 10. A shaft turning 150 r.p.m. is subjected to a torque of 150 kgm. Horse power transmitted by the shaft is

    • Options
    • A. ?
    • B. 10 ?
    • C. ?2
    • D. 1/?
      • Discuss

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