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- Question
The valves provided at low points of pipes to drain off water quickly under gravity, are called
Options- A. blow off valves
- B. drain valves
- C. sewer valves
- D. all the above.
- Correct Answer
- all the above.
- 1. The ratio of maximum hourly consumption and average hourly consumption of the maximum day, is
Options- A. 1.2
- B. 1.5
- C. 1.8
- D. 2.4
- E. 2.7 Discuss
- 2. For plain chlorination of water, the quantity of chlorine used, is
Options- A. 0.1 mg/litre
- B. 0.2 mg/litre
- C. 0.3 mg/litre
- D. 0.4 mg/litre
- E. 0.5 mg/litre. Discuss
- 3. 45 litres of water per person per day, is provided in
Options- A. office buildings
- B. hotels
- C. hostels
- D. nurse's homes. Discuss
- 4. The population of a city in 2000 is 50, 000. The average per decade of the previous records of population is 5000 and average percentage per decade is 20%. The population of the city based on geometrical increase method, in the year 2020 will be
Options- A. 56, 000
- B. 60, 000
- C. 64, 000
- D. 70, 000
- E. 72, 000 Discuss
- 5. The detention period for plain sedimentation water tanks, is usually
Options- A. 4 to 8 hours
- B. 8 to 16 hours
- C. 16 to 24 hours
- D. 24 to 36 hours. Discuss
- 6. The efficiency of sedimentation tank does not depend upon
Options- A. depth of tank
- B. length of tank
- C. detention period
- D. velocity of water. Discuss
- 7. In pumping stations, the type of joint generally used, is
Options- A. socket and spigot joint
- B. flanged joint
- C. expansion joint
- D. dresser coupling joint
- E. flexible joint. Discuss
- 8. Distribution of wash water is provided in
Options- A. sedimentation tank
- B. slow sand filter
- C. rapid gravity filter
- D. all the above. Discuss
- 9. Service connections to consumers houses, are generally provided with
Options- A. copper pipes
- B. hume pipes
- C. galvanised iron pipes
- D. P.V.C. pipes
- E. none of these. Discuss
- 10. Turbidity of water may be caused due to
Options- A. Suspended clay
- B. Suspended silt
- C. finely divided organic material
- D. all the above. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: 2.7
Correct Answer: 0.5 mg/litre.
Correct Answer: office buildings
Correct Answer: 72, 000
Correct Answer: 24 to 36 hours.
Correct Answer: depth of tank
Correct Answer: flanged joint
Correct Answer: rapid gravity filter
Correct Answer: galvanised iron pipes
Correct Answer: all the above.
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