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  • Question

  • A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm2, the side of the rod, is


  • Options
  • A. 1 cm
  • B. 1.5 cm
  • C. 2 cm
  • D. 2.5 cm

  • Correct Answer
  • 2 cm 

    • More questions

    • 1. Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as

    • Options
    • A. swing
    • B. tilt
    • C. tip
    • D. none of these.
      • Discuss
    • 2. The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is

    • Options
    • A. 21° 45'
    • B. 42° 15'
    • C. 42° 15' W
    • D. 21° 45' W
      • Discuss
    • 3. Removal of parallax, may be achieved by focussing

    • Options
    • A. the objective
    • B. the eye-piece
    • C. the objective and the eye-piece
    • D. none of these.
      • Discuss
    • 4. A floor constructed with the 4 to 6 mm marble chips, is known

    • Options
    • A. reinforced marble floor
    • B. terrazo floor
    • C. marble floor
    • D. chip floor
    • E. mosaic floor.
      • Discuss
    • 5. A tunnel is found more advantageous as compared to the alternate routes because it:

    • Options
    • A. remains free from snow
    • B. reduces the cost by reducing the route distance
    • C. reduces the maintenance cost
    • D. avoids interference with surface rights
    • E. All the above.
      • Discuss
    • 6. The chloride content of treated water for public supplies should not exceed

    • Options
    • A. 100 ppm
    • B. 150 ppm
    • C. 200 ppm
    • D. 250 ppm
    • E. 300 ppm.
      • Discuss
    • 7. For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is

    • Options
    • A. 10 kg
    • B. 12 kg
    • C. 14 kg
    • D. 16 kg
    • E. 20 kg
      • Discuss
    • 8. According to Water-Cement Ratio Law, the strength of workable plastic concrete

    • Options
    • A. depends upon the amount of water used in the mix
    • B. does not depend upon the quality of cement mixed with aggregates
    • C. does not depend upon the quanity of cement mixed with aggregates
    • D. all the above.
      • Discuss
    • 9. Average annual rainfall at any station is the average of annual rainfall over a period of

    • Options
    • A. 7 years
    • B. 14 years
    • C. 21 years
    • D. 28 years
    • E. 35 years.
      • Discuss
    • 10. The upper surface of the weir over which water flows, is known as

    • Options
    • A. vein
    • B. nappe
    • C. sill
    • D. none of these.
      • Discuss

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