Water Resources Engineering problems
- 1. The surface Run-off is the quantity of water
Options- A. absorbed by soil
- B. intercepted by buildings and vegetative cover
- C. required to fill surface depressions
- D. that reaches the stream channels
- E. that gets evaporated. Discuss
Correct Answer: that reaches the stream channels
- 2. If s is the potential infiltration, P is rainfall in cm in a drainage of a soil with fair pasture cover, the direct run off Q in cm is given by
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 3. Pick up the incorrect statement from the following :
Options- A. The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability
- B. The rate of flow of water through a vertical strip of the acquifer of unit width and full depth under a unit hydraulic gradient, is called coefficient of transmissibility
- C. The flow of water through acquifers, is governed by the Darcy's law
- D. The term 'transmissibility' was introduced by Meinzer
- E. The ratio of coefficient of transmissibility and coefficient of permeability, is equal to the depth of acquifer through which water flows. Discuss
Correct Answer: The term 'transmissibility' was introduced by Meinzer
- 4. Pick up the correct statement from the following :
Options- A. The portion of pellicular water which remains unutilised, is called hygroscopic water
- B. The moisture content at which permanent wilting of plants takes place, is called the wilting point
- C. The path of the water required to bring the soil moisture content of a soil up to its field capacity is called soil moisture deficiency
- D. The moisture deficiency will be different at different points
- E. All the above. Discuss
Correct Answer: All the above.
- 5. A hydraulic jump in a control meter will be formed above the control, if its original
Options- A. depth is more than critical depth
- B. depth is less than the critical depth
- C. depth is equal to critical depth
- D. none of these. Discuss
Correct Answer: depth is less than the critical depth
- 6. If the potential infiltration of a water shed having a soil with fair pasture cover, is 10 cm and rainfall is 12 cm, the direct run off is :
Options- A. 2 cm
- B. 3 cm
- C. 5 cm
- D. 8 cm. Discuss
Correct Answer: 5 cm
- 7. Pick up the correct statement from the following :
Options- A. When rainfall rate exceeds the infiltration capacity, the water enters the soil at full capacity rate
- B. When rainfall rate is less than the infiltration capacity, the infiltration rate is approximately equal to the rainfall rate
- C. The actual infiltration rate at any time may be equal to or less than the infiltration capacity
- D. The actual prevailing rate of infiltration of water in the soil at any time, is known as infiltration rate
- E. All the above. Discuss
Correct Answer: All the above.
- 8. Water contains
Options- A. one hydrogen atom and one oxygen atom
- B. two hydrogen atoms and one oxygen atom
- C. one hydrogen atom and two oxygen atoms
- D. three hydrogen atoms and two oxygen atoms
- E. two hydrogen atoms and three oxygen atoms. Discuss
Correct Answer: two hydrogen atoms and one oxygen atom
- 9. From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m. The over land flow time, is
Options- A. 2 hours
- B. 3 hours
- C. 2 hours and 30 minutes
- D. 3 hours and 30 minutes
- E. 4 hours. Discuss
Correct Answer: 4 hours.
- 10. A recording type rain gauge
Options- A. produces a mass curve of rain fall
- B. records the cumulative rain
- C. is sometimes called integrating rain gauge or continuous rain gauge
- D. all the above. Discuss
Correct Answer: all the above.
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