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  • Question
  • For predicting floods of a given frequency, the best reliable method is


  • Options
  • A. Unit hydrograph method
  • B. Gumbel's analytical method
  • C. California method
  • D. None of these.

  • Correct Answer
  • Unit hydrograph method 


  • Water Resources Engineering problems


    Search Results


    • 1. From the data of the rain storm shown in the below figure, the value of Windex is

    • Options
    • A. 1.5 cm/hour
    • B. 2 cm/hour
    • C. 2.5 cm/hour
    • D. 2 cm/hour.
    • Discuss
    • 2. The time required by rain water to reach the outlet of drainage basin, is generally called

    • Options
    • A. time of concentration
    • B. time of overland flow
    • C. concentration time of overland flow
    • D. duration of the rainfall
    • E. none of these.
    • Discuss
    • 3. The best unit period of a unit hydrograph, is equal to basin lag divided by

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
    • Discuss
    • 4. The infiltration capacity during rain storm, is considerably reduced due to

    • Options
    • A. surface detention
    • B. soil moisture
    • C. compaction due to rain
    • D. washing of fine particles
    • E. all the above.
    • Discuss
    • 5. The cross sections of the beams of equal length are a circle and a square whose permissible bending stress are same under same maximum bending. The ratio of their flexural weights is,

    • Options
    • A. 1.118
    • B. 1.338
    • C. 1.228
    • D. 1.108
    • Discuss
    • 6. Pick up the correct statement from the following :

    • Options
    • A.
    • B. Normal annual rainfall is obtained by taking the mean of the annual rainfall over a period of 35 years
    • C. Index of wetness gives an idea of the wetness of the year
    • D. If the rainfall in a year is approximately equal to the annual average value, the particular year is said to be an average year
    • E. All the above.
    • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. Central portion of a cyclone acts as a chimney through which air gets lifted
    • B. Cyclonic precipitation caused by a warm front is generally continuous
    • C. Convective precipitation generally occurs in the form of showers of high intensity in short duration
    • D. Greatest amount of orographic precipitation falls in the windward side of the barrier
    • E. All the above.
    • Discuss
    • 8. Pettis formula Q = C (P.B)5/4 cumecs, is based upon

    • Options
    • A. rainfall and drainage area
    • B. run off and drainage area
    • C. drainage area and its shape
    • D. drainage area.
    • Discuss
    • 9. If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 10. Indian Meteorological department uses the standard gauges whose collectors have apertures of

    • Options
    • A. 50 or 100 sq. cm area
    • B. 100 or 150 sq. cm area
    • C. 100 or 200 sq. cm area
    • D. 250 or 500 sq. cm area.
    • Discuss


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