Discussion
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- Question
The pH value of water fit for drinking, is
Options- A. 13
- B. 11
- C. 9
- D. 7
- E. 5
- Correct Answer
- 7
- 1. In a well planned city, the layout of distribution pipes generally adopted, is
Options- A. grid-iron system
- B. interlaced system
- C. reticulation system
- D. all the above. Discuss
- 2. Growth of population can be conveniently represented by
Options- A. an arithmetical curve
- B. a semi-logarithmic curve
- C. a logistic curve
- D. a straight line curve
- E. all the above. Discuss
- 3. The flow of water gets retarded, in
Options- A. settling tank
- B. sedimentation tank
- C. clarifer
- D. sedimentation basin
- E. all the above. Discuss
- 4. The maximum permissible colour for domestic supplies based on cobalt scale, is
Options- A. 5 ppm
- B. 10 ppm
- C. 15 ppm
- D. 20 ppm
- E. 25 ppm. Discuss
- 5. Air valves are generally provided in pressure pipes of water supply
Options- A. at pipe junctions
- B. at summits
- C. at low points
- D. near service pipes. Discuss
- 6. Bacterias which can survive with or without free oxygen, are known
Options- A. aerobic bacterias
- B. anerobic bacterias
- C. facultative bacterias
- D. none of these. Discuss
- 7. The joint used for joining the plain ends of cast iron pipes, is
Options- A. flanged joint
- B. socket and spigot joint .
- C. dresser coupling joint
- D. flexible joint
- E. expansion joint. Discuss
- 8. The gaseous form of chlorine gets converted into liquid form when subjected to a pressure of
Options- A. 5 kg/cm2
- B. 6 kg/cm2
- C. 7 kg/cm2
- D. 8 kg/cm2
- E. 10 kg/cm2. Discuss
- 9. Pick up the correct statement from the following :
Options- A. Large solids carried along the river bed, is known as bed load
- B. The bigger suspended particles get deposited in the head reaches of the reservoir
- C. The fine sediment deposits are generally near the face of the dam
- D. Deposition of sediment in the reservoir, reduces the capacity of the reservoir
- E. All the above. Discuss
- 10. Disappearance of pink colour of water of a well due of KMnO4 indicates that water contains
Options- A. acidity
- B. alkalinity
- C. turbidity
- D. organic matter
- E. all the above. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: a logistic curve
Correct Answer: all the above.
Correct Answer: 20 ppm
Correct Answer: at summits
Correct Answer: facultative bacterias
Correct Answer: dresser coupling joint
Correct Answer: 7 kg/cm2
Correct Answer: All the above.
Correct Answer: organic matter
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