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- Question
Continuous flow of water can be expected from
Options- A. gravity springs
- B. surface springs
- C. artesian springs
- D. none of these.
- Correct Answer
- artesian springs
- 1. 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
- 2. 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
- 3. Surface water is obtained from
Options- A. well
- B. springs
- C. artesian well
- D. rain. Discuss
- 4. The force which develops in a pressure conduit supported on trestles, is
Options- A. tension
- B. compression
- C. temperature stress
- D. flexural stress. Discuss
- 5. 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
- 6. 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
- 7. 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
- 8. Flow through period, in sedimentation tanks, is
Options- A. equal to detention period
- B. more than detention period
- C. less than detention period
- D. detention period divided by displacement efficiency
- E. none of these. Discuss
- 9. The period of cleaning of a slow sand filter, is usually
Options- A. 5 to 10 days
- B. two weeks to three weeks
- C. one month to three months
- D. three months to six months
- E. one year. Discuss
- 10. To detect the turbidity of the order of 0 to 1000 P.P.M. the instrument used is
Options- A. turbidimeter
- B. Jackson turbidimeter
- C. Baylis turbidimeter
- D. Hallige turbidimeter. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: All the above.
Correct Answer: None of these.
Correct Answer: rain.
Correct Answer: flexural stress.
Correct Answer: None of these.
Correct Answer: all the above.
Correct Answer: geometrical method
Correct Answer: less than detention period
Correct Answer: one month to three months
Correct Answer: Baylis turbidimeter
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