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  • Question

  • The section modulus of a rectangular light beam 25 metres long is 12.500 cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is


  • Options
  • A. 13.33 kg/cm2 tensile
  • B. 13.33 kg/cm2 compressive
  • C. 26.67 kg/cm2 tensile
  • D. 26.67 kg/cm2 compressive
  • E. none of these.

  • Correct Answer
  • 26.67 kg/cm2 tensile 

    • More questions

    • 1. A soil not fully consolidated under the existing over-burden pressure, is called

    • Options
    • A. pre-consolidated
    • B. normally consolidated
    • C. under-consolidated
    • D. none of these.
      • Discuss
    • 2. The total length (in km) of the existing National Highways in India is in the range of

    • Options
    • A. 15, 000 to 25, 000
    • B. 25, 000 to 35, 000
    • C. 35, 000 to 45, 000
    • D. 45, 000 to 55, 000
      • Discuss
    • 3. The position of a heavenly body on the celestial sphere can be completely specified by

    • Options
    • A. its altitude and azimuth
    • B. its declination and hour angle
    • C. its declination and right ascension
    • D. all the above.
      • Discuss
    • 4. Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to

    • Options
    • A. 14.14
    • B. 28.28 m
    • C. 200 m
    • D. none of these.
      • Discuss
    • 5. An aquiclude is

    • Options
    • A. a non artesian aquifer
    • B. an artesian acquifer
    • C. a confined bed of impervious material between acquifers
    • D. a large water body under ground.
      • Discuss
    • 6. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is

    • Options
    • A. 15
    • B. 18
    • C. 20
    • D. 26.
      • Discuss
    • 7. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

    • Options
    • A. concurrent
    • B. parallel
    • C. concurrent parallel
    • D. none of these.
      • Discuss
    • 8. The force which produces an acceleration of 1 m/sec2 in a mass of one kg, is called

    • Options
    • A. dyne
    • B. Netwon
    • C. joule
    • D. erg.
      • Discuss
    • 9. Stress may be defined as

    • Options
    • A. force per unit length
    • B. force per unit volume
    • C. force per unit area
    • D. none of these.
      • Discuss
    • 10. The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than

    • Options
    • A. 4 mm
    • B. 5 mm
    • C. 6 mm
    • D. 7 mm
    • E. 8 mm
      • Discuss

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