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  • Question
  • When a constant discharge 2.91 litres/sec. was obtained in a pumping test, the draw downs in the test wells at 3 m and 6.184 m were 2.6 m and 0.3 m respectively. If over-all depth of the pumping well was 16 m, the permeability of the soil, is


  • Options
  • A. 0.0005 cm/sec
  • B. 0.001 cm/sec
  • C. 0.002 cm/sec
  • D. 0.01 cm/sec.

  • Correct Answer
  • 0.001 cm/sec 


  • Water Resources Engineering problems


    Search Results


    • 1. Pick up the correct statement from the following :

    • Options
    • A. Higher the gauge, more deficient will be the rain catch
    • B. Heavier the rain, lesser will be the rain catch
    • C. The trees serving as wind brakes in the vicinity of the gauge, should not subtend angles greater than 45°
    • D. Coniferrous forest is idealy suited for installing the gauge
    • E. All the above.
    • Discuss
    • 2. The elevation Z of the watershed is : (where letters carry their usual meanings)

    • Options
    • A. reduced level of the top most point of the basin
    • B. reduced level of the lower most point of the basin
    • C. average elevation of the highest and lowest point of the drainage basin
    • D. obtained by the formula
    • Discuss
    • 3. Pick up correct statement from the following :

    • Options
    • A. The air from outer portion of cyclones gets lifted for causing precipitation
    • B. The air from central portion of cyclone's gets lifted for causing precipitation
    • C. The air from entire surface of the cyclones gets lifted for causing precipitation
    • D. None of those.
    • Discuss
    • 4. The formula for calculating the overland flow time (To) in hours for any basin, is (where Lo is the distance of the critical point and H is the difference in elevation)

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 5. The specifications of most commonly used standard gauges in India, are

    • Options
    • A. 200 sq. cm collector and 4 litres bottle
    • B. 100 sq. cm collector and 2 litres bottle
    • C. 200 sq. cm collector and 10 litres bottle
    • D. 100 sq. cm collector and 4 litres bottle.
    • Discuss
    • 6. A volume of air at constant barometric pressure may be brought to dew point by

    • Options
    • A. increasing the temperature
    • B. decreasing the temperature
    • C. neither (a) nor (b)
    • D. both (a) and (b).
    • Discuss
    • 7. Levees and flood walls,

    • Options
    • A. are designed to carry unbalanced water load
    • B. are designed with adequate dimensions
    • C. are means of controlling floods
    • D. are never provided free-boards.
    • Discuss
    • 8. Pick up the correct statement from the following :

    • Options
    • A. Hydrograph is a plot of discharge and time
    • B. In hydrographs, time is plotted on X-axis
    • C. The maximum flow in the river due to rainfall, is called peak flow
    • D. Peak flows are different for rainfalls
    • E. All the above.
    • Discuss
    • 9. Pick up the correct statement from the following :

    • Options
    • A. The amount of water retained on the surface of soil grains by molecular attraction, is known as pellicular water
    • B. The degree of resistance to movement of the pellicular water generally expressed by the surface tension
    • C. The pellicular water held in any soil, is called field capacity
    • D. The portion of the pellicular water absorbed by the root action of the vegetation, is called available moisture
    • E. All the above.
    • Discuss
    • 10. Run off includes

    • Options
    • A. precipitation over catchment area of the stream and its attributaries
    • B. surface run off
    • C. ground water flow
    • D. all the above.
    • Discuss


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