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- Question
Pick up the correct equation from the following :
Options- A. Run off = Surface run off + Ground water flow
- B. Run off = Surface run off - Ground water flow
- C. Run off = Surface run off / Ground water flow
- D. Run off = Surface run off x Ground water flow.
- Correct Answer
- Run off = Surface run off + Ground water flow
- 1. For determination of average annual precipitation in a catchment basin, the best method is
Options- A. Arithmetical method
- B. Thiessen's mean method
- C. Isohyetal method
- D. None of these. Discuss
- 2. The critical depth in a channel can be produced
Options- A. by raising the bottom of the channel
- B. by lowering the bottom of the channel
- C. by decreasing the width of the channel
- D. by increasing the width of the channel
- E. both (a) and (c) of above. Discuss
- 3. The main factor which affects the infiltration capacity, is
Options- A. thickness of saturated layer
- B. depth of surface detention
- C. soil moisture
- D. all the above. Discuss
- 4. In India, rain fall is generally recorded at
Options- A. 8 A.M.
- B. 12 Noon
- C. 4 P.M.
- D. 8 P.M. Discuss
- 5. Precipitation caused by lifting of an air mass due to the pressure difference, is called
Options- A. cyclonic precipitation
- B. convective precipitation
- C. orographic precipitation
- D. none of these. Discuss
- 6. In India the recording type rain gauge generally used, is
Options- A. weighing type
- B. tipping type
- C. float recording type
- D. none of these. Discuss
- 7. A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the auifer, is
Options- A. 1.185 m2/minute
- B. 1.285 m2/minute
- C. 1.385 m2/minute
- D. 1.485 m2/minute
- E. 1.585 m2/minute. Discuss
- 8. If the area of storm hydrograph is equal to 102 cm, the ordinates of a unit hydrograph may be obtained by dividing the ordinates of the storm hydrograph by
Options- A. 0.5
- B. 1
- C. 2
- D. 3
- E. 4 Discuss
- 9. The run off a drainage basin is
Options- A. Initial recharge + ground water accretion + precipitation
- B. Precipitation + ground water accretion + initial recharge
- C. Precipitation - ground water accretion + initial recharge
- D. Precipitation - ground water accretion - initial recharge. Discuss
- 10. According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings)
Options- A. f = fc (fo - fc) ekt
- B. f = ft - (fo - fc) e-kt
- C. f = ft + (fo - fc) e-kt
- D. f = f + (fo - fc) ekt Discuss
Water Resources Engineering problems
Search Results
Correct Answer: Isohyetal method
Correct Answer: both (a) and (c) of above.
Correct Answer: all the above.
Correct Answer: 8 A.M.
Correct Answer: cyclonic precipitation
Correct Answer: float recording type
Correct Answer: 1.385 m2/minute
Correct Answer: 4
Correct Answer: Precipitation - ground water accretion - initial recharge.
Correct Answer: f = ft + (fo - fc) e-kt
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