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Strength of Materials problems

  • 1. 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
  • 2. 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
  • 3. 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
  • 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. 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
  • 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
    Civil Engineering Strength of Materials: 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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