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  • Question

  • 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. If a member carries a tensile force P on its area of cross-section A, the normal stress introduced o
  • B. If a member carries a tensile force P on its area of cross-section A, the normal stress introduced o
  • C. If a member carries a tensile force P on its area of cross-section A, the normal stress introduced o
  • D. If a member carries a tensile force P on its area of cross-section A, the normal stress introduced o
  • E.

  • Correct Answer
  •  

    • Strength of Materials problems

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    • 1. 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
    • 2. 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
    • 3. The tensile force required to cause an elongation of 0.045 mm in a steel rod of 1000 mm length and 12 mm diameter, is (where E = 2 x 106 kg/cm2)

    • Options
    • A. 166 kg
    • B. 102 kg
    • C. 204 kg
    • D. 74 kg
      • Discuss
    • 4. Struts are load carrying members of a frame structure which are subjected to

    • Options
    • A. axial tension loads
    • B. axial compressive loads
    • C. torsional loads
    • D. transverse loads.
      • Discuss
    • 5. From the principal point the horizon point lies on the principal line at a distance of

    • Options
    • A. f tan ?
    • B. f sin ?
    • C. f cot ?
    • D. f cos ?.
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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

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