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  • Question

  • Evaporation losses depend upon


  • Options
  • A. area of the water surface and depth of the water
  • B. nature of precipitation and type of vegetation
  • C. humidity and wind velocity
  • D. atmospheric temperature
  • E. all the above.

  • Correct Answer
  • all the above. 

    • Water Resources Engineering problems

    Search Results

    • 1. If the velocities of flow of a stream of 10 m depth recorded by a current meter at depths of 2 m and 8 m are 0.7 m and 0.3 m respectively, the discharge per unit width of the stream in cubic metres, is

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
    • E. 6
      • Discuss
    • 2. The rainfall at any place is described by

    • Options
    • A. its intensity
    • B. its duration
    • C. its frequency
    • D. all the above.
      • Discuss
    • 3. The earthen embankments constructed parallel to the river banks at some suitable distance for flood control, are known as

    • Options
    • A. floods walls
    • B. river walls
    • C. levees
    • D. dikes
    • E. both (c) and (d).
      • Discuss
    • 4. Time of overland flow, is affected by

    • Options
    • A. slope of the basin
    • B. type of the ground surface
    • C. length of the flow path
    • D. all the above.
      • Discuss
    • 5. The best instrument for measuring the velocity of a stream flow is

    • Options
    • A. pitot tube
    • B. Price's current meter
    • C. surface float
    • D. sub-surface float.
      • Discuss
    • 6. Precipitation includes

    • Options
    • A. rain
    • B. snow
    • C. hail
    • D. all of these.
      • Discuss
    • 7. The surface run off is due to

    • Options
    • A. initial rain
    • B. residual rain
    • C. rain in the net supply interval
    • D. all the above.
      • Discuss
    • 8. Hydrograph is a graphical representation of

    • Options
    • A. surface run off
    • B. ground water flow
    • C. rain fall
    • D. discharge flowing in the river
    • E. none of these.
      • Discuss
    • 9. The rainfall cycle period in India is taken as

    • Options
    • A. 15 years
    • B. 20 years
    • C. 25 years
    • D. 30 years
    • E. 35 years.
      • Discuss
    • 10. The equation which is used for determining the velocity of ground water flow in metres per day is known as

    • Options
    • A. Meinzer's formula
    • B. Slichter's formula
    • C. Darcy's formula
    • D. Hazen formula.
      • Discuss

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