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  • Question

  • 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.

  • Correct Answer
  • creeping 

    • Strength of Materials problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. 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
    • 4. H is the flying height above mean ground level and f is the principal distance of a vertical photograph. The mean scale of the photographs is

    • Options
    • A. H . f
    • B.
    • C.
    • D. H + f
    • E. none of these.
      • Discuss
    • 5. The declination and right ascension of the sun are each equal to zero on

    • Options
    • A. March 21
    • B. June 21
    • C. September 21
    • D. December 22.
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • 10. 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

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