Discussion
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- Question
135 litres of water per person per day, is provided in
Options- A. nurses homes
- B. hostels
- C. residential schools
- D. all the above.
- Correct Answer
- all the above.
- 1. 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
- 2. 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
- 3. Surcharge storage zone of a reservoir, is
Options- A. below dead storage
- B. between dead storage and useful storage
- C. above useful storage
- D. also known as valley storage. Discuss
- 4. Estimates of a water supply project depends upon the rate of water supply per capita consumption and probable population estimated at the end of the design period of
Options- A. 5 to 10 years
- B. 10 to 15 years
- C. 15 to 20 years
- D. 20 to 30 years
- E. 25 years. Discuss
- 5. Pick up the incorrect statement from the following. The source of surface water is from
Options- A. streams and rivers
- B. storage reservoirs
- C. springs
- D. ponds and lakes
- E. none of these. Discuss
- 6. 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
- 7. 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
- 8. 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. Discuss
- 9. 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
- 10. 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
Water Supply Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: raw water passed through coagulation tank is supplied
Correct Answer: above useful storage
Correct Answer: 20 to 30 years
Correct Answer: springs
Correct Answer: all the above.
Correct Answer: 30 cm/minute
Correct Answer: All the above.
Correct Answer: 4 to 8 hours
Correct Answer: is more in the beginning and reduces in the end
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