Water Resources Engineering problems
- 1. The efficiency of a pump may be taken as
Options- A. 0.55
- B. 0.60
- C. 0.65
- D. 0.70 Discuss
Correct Answer: 0.65
- 2. Absolute humidity in air
Options- A. decreases at higher altitudes
- B. increases at higher altitudes
- C. remains constant at all altitudes
- D. none of these. Discuss
Correct Answer: decreases at higher altitudes
- 3. The run off is affected by
Options- A. type of precipitation
- B. rain intensity and duration of rainfall
- C. rain distribution and soil moisture deficiency
- D. direction of prevailing storm
- E. all the above. Discuss
Correct Answer: all the above.
- 4. Infiltration capacity of soil depends upon
Options- A. number of voids present in the soil
- B. shape and size of soil particles
- C. arrangement of soil particles
- D. compaction of the soil particles
- E. all the above. Discuss
Correct Answer: all the above.
- 5. If y is the depth of water at any section, then the mean velocity is
Options- A. 0.1 y
- B. 0.2 y
- C. 0.3 y
- D. 0.5 y
- E. 0.6 y. Discuss
Correct Answer: 0.6 y.
- 6. Hydrology helps in
Options- A. predicting maximum flows
- B. deciding the minimum reservoir capacity
- C. forecasting the availability of quantity of water at reservoir site
- D. predicting the effects on the river water level on completion of dams
- E. all the above. Discuss
Correct Answer: all the above.
- 7. The theory of infiltration capacity was given by
Options- A. Merrill Bernard
- B. W.W. Horner
- C. Le-Roy K. Shermen
- D. Robert E. Horten. Discuss
Correct Answer: Robert E. Horten.
- 8. If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in acquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow is
Options- A. 0.25 m/day
- B. 0.50 m/day
- C. 0.75 m/day
- D. 1.00 m/day
- E. 1.25 m/day. Discuss
Correct Answer: 1.25 m/day.
- 9. Pick up the correct statement from the following :
Options- A. Perched aquifer is found in unconfined aquifer
- B. The top surface of the water held in the perched aquifer, is known as perched water table
- C. Perched aquifer is formed in unfined accquifer if an impervious layer exists
- D. All the above. Discuss
Correct Answer: All the above.
- 10. 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
Correct Answer: all the above.
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