Discussion
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- Question
The valve fitted closely in a recess against an opening in a pipe, is generally
Options- A. wedge shaped circular disc
- B. spherical disc
- C. parallelopiped disc
- D. conical shaped circular disc.
- Correct Answer
- wedge shaped circular disc
- 1. For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula
Options- A. D = 0.22 Q
- B. D = 1.22 Q
- C. D = 2.22 Q
- D. D = 3.22 Q
- E. D = 1.33 Q. Discuss
- 2. When gravity and pumping systems of water distribution are adopted, the type of distribution reservoir, is
Options- A. elevated tank
- B. ground source reservoir
- C. intz tank
- D. stand pipe. Discuss
- 3. The average domestic consumption under normal conditions in an Indian city per day per person, is
Options- A. 105 litres
- B. 115 litres
- C. 125 litres
- D. 135 litres
- E. 150 litres. Discuss
- 4. An ideal sand for filters should be
Options- A. free from dirt and other impurities
- B. uniform in nature and size
- C. hard and resistant
- D. all the above. Discuss
- 5. Pressure relief valves are provided in water mains
Options- A. to reduce the pressure
- B. at low points
- C. upstream of sluice
- D. all the above. Discuss
- 6. For the same draw down in two observations wells at distances r1 and r2, the times after start of pumping are t1 and t2 hours respectively. The relation which holds good is
Options- A.
- B.
- C.
- D.
- E. none of these. Discuss
- 7. Water may contain
Options- A. bicarbonate alkalinity
- B. carbonate alkalinity
- C. hydroxide alkalinity
- D. caustic alkalinity
- E. all the above. Discuss
- 8. Higher yield may be expected from
Options- A. gravity springs
- B. surface springs
- C. artesian springs
- D. all the above. Discuss
- 9. The level of underground water is called
Options- A. water level
- B. water table
- C. negative level
- D. invert level. Discuss
- 10. Rapid gravity filters can remove bacterial impurities up to a maximum of
Options- A. 50%
- B. 60%
- C. 70%
- D. 80%
- E. 90%. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: D = 1.22 Q
Correct Answer: elevated tank
Correct Answer: 135 litres
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer:
Correct Answer: all the above.
Correct Answer: artesian springs
Correct Answer: water table
Correct Answer: 80%
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