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  • Question

  • A simply supported beam (l + 2a) with equal overhangs (a) carries a uniformly distributed load over the whole length, the B.M. changes sign if


  • Options
  • A. l > 2a
  • B. l < 2a
  • C. l = 2a
  • D. l = 4a
  • E. l = 3a.

  • Correct Answer
  • l > 2a 

    • Strength of Materials problems

    Search Results

    • 1. A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of

    • Options
    • A. 8
    • B. 1/8
    • C. 1/2
    • D. 2
    • E. 3
      • Discuss
    • 2. Stress in a beam due to simple bending, is

    • Options
    • A. directly proportional
    • B. inversely proportional
    • C. curvilinearly related
    • D. none of these.
      • Discuss
    • 3. A cylinder is said to be thin if the ratio of its thickness and diameter, is less than

    • Options
    • A. 1/25
    • B. 1/20
    • C. 1/15
    • D. 1/10
    • E. 1/5
      • Discuss
    • 4. In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be

    • Options
    • A. at the lower cross-section
    • B. at the built-in upper cross-section
    • C. at the central cross-section
    • D. at every point of the bar.
      • Discuss
    • 5. If the normal cross-section A of a member is subjected to tensile force P, the resulting normal stress in an oblique plane inclined at angle ? to transverse plane will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at

    • Options
    • A. mid point of the cantilever
    • B. fixed point of the cantilever
    • C. 1/4th length from free end
    • D. 3/4th length from free end
    • E. half length from free end.
      • Discuss
    • 7. A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when

    • Options
    • A. x = 1
    • B. x = 2
    • C. x = 3
    • D. x = 4
      • Discuss
    • 8. If a constant section beam is subjected to a uniform bending moment throughout, its length bends to

    • Options
    • A. a circular arc
    • B. a parabolic arc
    • C. a catenary
    • D. none of these.
      • Discuss
    • 9. The greatest eccentricity which a load W can have without producing tension on the cross-section of a short column of external diameter D and internal diameter d, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 10. The direction of the reaction at support B of a truss shown in below figure will be

    • Options
    • A. East of North
    • B. West of North
    • C. East of South
    • D. West of South
    • E. Vertical.
      • Discuss

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