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  • Question

  • 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.

  • Correct Answer
  • all the above. 

    • Strength of Materials problems

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    • 1. 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
    • 2. 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
    • 3. If a member carries a tensile force P on its area of cross-section A, the normal stress introduced on an inclined plane making an angle ? with its transverse plane, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 4. The law which states, "within elastic limits strain produced is proportional to the stress producing it", is known as

    • Options
    • A. Bernoulli's law
    • B. Stress law
    • C. Hooke's law
    • D. Poisson's law
    • E. none of these.
      • Discuss
    • 5. The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is called

    • Options
    • A. creeping
    • B. yielding
    • C. breaking
    • D. none of these.
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. Stress in a beam due to simple bending, is

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

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