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- Question
Pick up the correct statement from the following :
Options- A. If ports are closed, the dry intake towers will not have any water
- B. Even if ports are closed, the wet intake tower will have water filled up to reservoir level
- C. The dry intake towers are generally constructed with heavier construction to resist buoyant forces
- D. No buoyant force acts on wet intake towers
- E. All the above.
- Correct Answer
- All the above.
- 1. Velocity of flow of water in plain sedimentation water tank, is normally kept
Options- A. 3 cm/minute
- B. 10 cm/minute
- C. 20 cm/minute
- D. 30 cm/minute
- E. 40 cm/minute. Discuss
- 2. The type of joint generally used in cast iron pipes, is
Options- A. socket and spigot joint
- B. flanged joint
- C. dresser coupling joint
- D. flexible joint
- E. all the above. Discuss
- 3. 135 litres of water per person per day, is provided in
Options- A. nurses homes
- B. hostels
- C. residential schools
- D. all the above. Discuss
- 4. Surface water may
Options- A. contain large amount of impurities
- B. be contaminated by impurities
- C. contain disease producing bacterias
- D. all the above. Discuss
- 5. In a rapid gravity filter
Options- A. raw water from the source is supplied
- B. disinfected raw water is supplied
- C. raw water passed through coagulation tank is supplied
- D. none of these. Discuss
- 6. Detention time for plain sedimentation tank usually ranges from
Options- A. 2 to 4 hours
- B. 4 to 8 hours
- C. 6 to 10 hours
- D. 8 to 12 hours
- E. 12 to 16 hours. Discuss
- 7. The rate of silting in a reservoir
Options- A. is less in the beginning
- B. remains constant throughout
- C. is more in the beginning
- D. is more in the beginning and reduces in the end
- E. none of these. Discuss
- 8. Shales are
Options- A. porous
- B. permeable
- C. porous and permeable
- D. porous but not permeable
- E. neither porous nor permeable. Discuss
- 9. Manholes are less common in
Options- A. cast iron pipes
- B. steel pipes
- C. hume steel pipes
- D. R.C.C. pipes. Discuss
- 10. Pipes are laid parallel
Options- A. to increase the capacity of the water supply
- B. to provide a means of repairing without closing water supply
- C. to meet the requirement of excessive supply
- D. all the above. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: 30 cm/minute
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: raw water passed through coagulation tank is supplied
Correct Answer: 4 to 8 hours
Correct Answer: is more in the beginning and reduces in the end
Correct Answer: porous but not permeable
Correct Answer: cast iron pipes
Correct Answer: all the above.
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