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  • Question

  • Boston society of Civil Engineer's formula Boston society of Civil Engineer's formula in cumecs/square km is based upon rainfall and drainage a in cumecs/square km is based upon


  • Options
  • A. rainfall and drainage area
  • B. total run off and drainage area
  • C. drainage area and its shape
  • D. drainage area.

  • Correct Answer
  • total run off and drainage area 

    • Water Resources Engineering problems

    Search Results

    • 1. In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. Isohytes are the imaginary lines joining the points of equal

    • Options
    • A. pressure
    • B. height
    • C. humidity
    • D. rainfall.
      • Discuss
    • 3. Non-recording rain gauges

    • Options
    • A. collect the rain whose volume is measured by means of graduated cylinders
    • B. collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth
    • C. are generally used in hilly terrain
    • D. are cylindrical in shape.
      • Discuss
    • 4. Pick up the correct statement from the following :

    • Options
    • A. The intensity of rain is the rate at which it falls
    • B. The duration of rain is the time for which it falls with a given intensity
    • C. The frequency of rain is the number of times, if falls
    • D. All the above.
      • Discuss
    • 5. Izzard formula for the time of concentration in minutes for the plots having no channels, is (where Lo is the length of overland flow in metres and Kp rainfall intensity in cm/hour)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. From the pattern of the rainfall shown in the below figure, the total precipitation is

    • Options
    • A. 4 cm
    • B. 4.5 cm
    • C. 5 cm
    • D. 5.5 cm
    • E. 6 cm.
      • Discuss
    • 7. If the loss due to friction in pipes is 4 m, the total losses in strainer and bends may be taken as

    • Options
    • A. 0.10 m
    • B. 0.20 m
    • C. 0.5 m
    • D. 1.0 m.
      • Discuss
    • 8. In estimating the rate of evaporation from the reservoir surface, a pan 1.5 metres in diameter, was filled upto 8.0 cm. During a specified period of time, the rainfall recorded was 5 cm. 3 cm of water was removed from the pan to keep the depth of water. At the end of the time, the depth was 9 cm. If the pan coefficient is 0.6, the evaporation loss is

    • Options
    • A. 2 mm
    • B. 4 mm
    • C. 6 mm
    • D. 6 mm.
      • Discuss
    • 9. If the slope of a line for infiltration capacity curve is , the value of constant k in Horton's equation of infiltration capacity curve, is

    • Options
    • A. 2.0
    • B. 2.5
    • C. 3.0
    • D. 3.5
    • E. 4.0.
      • Discuss
    • 10. The radius of influence is

    • Options
    • A. radius of the main well
    • B. distance from the wall of main well to the point of zero draw down
    • C. distance from the centre of main well to the point of zero draw down
    • D. none of these.
      • Discuss

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