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- Question
Surface water is obtained from
Options- A. well
- B. springs
- C. artesian well
- D. rain.
- Correct Answer
- rain.
- 1. The force which develops in a pressure conduit supported on trestles, is
Options- A. tension
- B. compression
- C. temperature stress
- D. flexural stress. Discuss
- 2. Pick up the incorrect statement from the following :
Options- A. An impervious layer a few metres below the water table in the sub-soil, is generally called Mota layer (6) Mota layer is very useful to give structural support to open deep wells
- B. A bore hole is generally provided in the mota layer for deep wells
- C. Shallow wells are always of less depth as compared to deep wells
- D. None of these. Discuss
- 3. An earth formation which, although porous and capable of absoring water does not provide an appreciable supply to wells, is known as
Options- A. acquifer
- B. aquiclude
- C. aquifuge
- D. none of these. Discuss
- 4. Mathamoglobinemia, or blue baby disease is caused due to
Options- A. chlorides
- B. nitrites
- C. nitrates
- D. sulphides. Discuss
- 5. The water level in an open well was depressed by pumping 2.5 m and recuperated 2.87 m in 3 hours and 50 minutes. The yield of the well per minute is
Options- A. 0.0033
- B. 0.0044
- C. 0.0055
- D. 0.0066 Discuss
- 6. Pick up the correct statement from the following regarding the pressure conduits :
Options- A. Pressure conduits are permitted to run
th full - B. Pressure conduits are always laid along down grades
- C. The hydraulic gradient line always coincides the invert of the conduit
- D. None of these. Discuss
- 7. Pick up the correct statement from the following regarding radial flow centrifugal pumps :
Options- A. These are provided with volute type or turbine type casings
- B. In involute type of radial flow centrifugal pump, the impeller discharges into a gradually expanding spiral casing
- C. In turbine type of radial flow centrifugal pumps, the impeller is surrounded by stationary guide vanes to reduce the velocity of water
- D. The efficiency of turbine type of radial flow centrifugal pump, is always higher than that of volute type
- E. All the above. Discuss
- 8. Continuous flow of water can be expected from
Options- A. gravity springs
- B. surface springs
- C. artesian springs
- D. none of these. Discuss
- 9. A city supply includes
Options- A. domestic water demand
- B. industrial and commercial water demands
- C. demand for public uses and fire
- D. water losses
- E. all the above. Discuss
- 10. Increase in population of a rapidly growing city, may be estimated by
Options- A. arithmetical mean method
- B. geometrical method
- C. incremental increase method
- D. graphical comparison method. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: flexural stress.
Correct Answer: None of these.
Correct Answer: aquiclude
Correct Answer: nitrates
Correct Answer: 0.0055
Correct Answer: None of these.
Correct Answer: All the above.
Correct Answer: artesian springs
Correct Answer: all the above.
Correct Answer: geometrical method
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