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  • Question

  • 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.

  • Correct Answer
  • at the built-in upper cross-section 

    • Strength of Materials problems

    Search Results

    • 1. 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
    • 2. The nature of the stress in horizontal members of the truss shown in below figure may be

    • Options
    • A. compressive
    • B. tensile
    • C. shear
    • D. zero
    • E. all the above.
      • Discuss
    • 3. Stress in members of statically determinate simple frames, can be determined by

    • Options
    • A. method of joints
    • B. method of sections
    • C. graphical solution
    • D. all the above.
      • Discuss
    • 4. A simply supported wooden beam 150 cm long and having a cross section 16 cm x 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm2 and fs = 10 kg/cm2 the safe load is

    • Options
    • A. 3025 kg
    • B. 3050 kg
    • C. 3075 kg
    • D. 3100 kg.
      • Discuss
    • 5. The reaction at the supports will be vertical to the plane of the support if the frame structure rests on

    • Options
    • A. roller supports
    • B. free supports
    • C. hinged supports
    • D. all the above.
      • Discuss
    • 6. 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
    • 7. Stress in a beam due to simple bending, is

    • Options
    • A. directly proportional
    • B. inversely proportional
    • C. curvilinearly related
    • D. none of these.
      • Discuss
    • 8. 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
    • 9. 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.
      • Discuss
    • 10. 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

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