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  • Question
  • If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is


  • Options
  • A. If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is
  • B. If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is
  • C. If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is
  • D. If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is

  • Correct Answer
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  • Water Resources Engineering problems


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    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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.
    • Discuss
    • 5. 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
    • 6. 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
    • 7. While determining the yield of a gravity well by pumping, the depth of water table in two tests wells at distances r1 and r2 from the centre of the main well were found to be s1 and s2 respectively. Assuming the coefficient of transmissibility of the soil as T, the discharge Q may be given by

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 8. Symon's rain gauge is

    • Options
    • A. tipping-bucket gauge
    • B. weighing type gauge
    • C. float recording gauge
    • D. non-recording gauge.
    • Discuss
    • 9. 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
    • 10. 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


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