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  • Question

  • 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.

  • Correct Answer
  • from zero at the centre to a maximum at the circumference 

    • Strength of Materials problems

    Search Results

    • 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. A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull of 3000 kg. If E = 2.1 x 106, the elongation of the rod will be

    • Options
    • A. 2.275 mm
    • B. 0.2275 mm
    • C. 0.02275 mm
    • D. 2.02275 mm.
      • Discuss
    • 3. At either end of a plane frame, maximum number of possible bending moments, are

    • Options
    • A. one
    • B. two
    • C. three
    • D. four
    • E. zero.
      • Discuss
    • 4. The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is

    • Options
    • A. 4
    • B. 3
    • C. 2
    • D. 1
      • Discuss
    • 5. The point of contraflexture occurs in

    • Options
    • A. cantilever beams only
    • B. continuous beams only
    • C. over hanging beams only
    • D. all types of beams
    • E. both (a) and (b).
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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

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