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  • Question

  • 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).

  • Correct Answer
  • over hanging beams only 

    • Strength of Materials problems

    Search Results

    • 1. A member which does not regain its original shape after removed of load producing deformation is said

    • Options
    • A. plastic
    • B. elastic
    • C. rigid
    • D. none of these.
      • Discuss
    • 2. When a rectangular beam is loaded longitudinally, shear develops on

    • Options
    • A. bottom fibre
    • B. top fibre
    • C. middle fibre
    • D. every-horizontal plane.
      • Discuss
    • 3. Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to

    • Options
    • A. very long columns
    • B. long columns
    • C. short columns
    • D. intermediate columns
    • E. all the above.
      • Discuss
    • 4. Along the principal plan subjected to maximum principal stress

    • Options
    • A. maximum shear stress acts
    • B. minimum shear stress acts
    • C. no shear stress acts
    • D. none of these.
      • Discuss
    • 5. The bending moment at E for the structure shown in below figure, is

    • Options
    • A. zero
    • B. 10 Tm
    • C. 20 Tm
    • D. 40 Tm.
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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

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