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  • Question

  • If ?w is the unit weight of water, r the hydraulic mean depth of the sewer and S the bed slope of the sewer, then the tractive force exerted by flowing water, is


  • Options
  • A. ?w . r . S
  • B. ?w r1/2 . S
  • C. ?w r S
  • D. ?w r2/3 S

  • Correct Answer
  • ?w . r . S 

    • More questions

    • 1. The ratio of the section modulus of a square section of side B and that of a circular section of diameter D, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. A cantilever beam of length L and a cross section with shape factor f supports a concentrated load P as shown below

      The length LP of the plastic zone, when the maximum bending moment equals the plastic moment MP, given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. The negative sign is assigned to

    • Options
    • A. reduction to mean sea level
    • B. correction for horizontal alignment
    • C. correction for slope
    • D. correction for slope
    • E. all the above.
      • Discuss
    • 4. The angle of inclination of the lacing bars with axis of the member is kept between

    • Options
    • A. 20° and 50°
    • B. 30° and 60°
    • C. 40° and 70°
    • D. 50° and 80°
      • Discuss
    • 5. Number of piles required to support a column, is

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 6. Pick up the correct statement from the following:

    • Options
    • A. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
    • B. The bulking of fine sand is more than that of coarse sand
    • C. If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing
    • D. The volume of fully saturated sand equals that of dry sand
    • E. All the above.
      • Discuss
    • 7. If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no superelevation is provided, if the camber, is

    • Options
    • A. 4%
    • B. 3%
    • C. 2%
    • D. 1.7%
      • Discuss
    • 8. Ranging is an operation of

    • Options
    • A. reconnaissance
    • B. judging the distance
    • C. determination of slope
    • D. establishing intermediate points between terminals.
      • Discuss
    • 9. Well foundations are commonly used as foundations for the following structures :

    • Options
    • A. Water tanks
    • B. Bridges
    • C. Buildings
    • D. Reciprocating machines
      • Discuss
    • 10. The horizontal angle between true meridian and magnetic meridian, is known

    • Options
    • A. bearing
    • B. magnetic declination
    • C. dip
    • D. convergence.
      • Discuss

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