Discussion
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- Question
Turbidity of water may be caused due to
Options- A. Suspended clay
- B. Suspended silt
- C. finely divided organic material
- D. all the above.
- Correct Answer
- all the above.
- 1. 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
- 2. Distribution of wash water is provided in
Options- A. sedimentation tank
- B. slow sand filter
- C. rapid gravity filter
- D. all the above. Discuss
- 3. 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
- 4. 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
- 5. 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. Discuss
- 6. For centrifugal pumps
Options- A. initial cost is low
- B. limited space is required
- C. the discharge obtained is steady and non-pulsating
- D. all the above. Discuss
- 7. The cast iron pipes for water supply system are used for
Options- A. durability
- B. strength
- C. easy connection
- D. low maintenance cost
- E. all the above. Discuss
- 8. The maximum permitted loss of head in a rapid sand filter, is
Options- A. 1 m
- B. 2 m
- C. 3 m
- D. 4 m
- E. 5 m. Discuss
- 9. The permissible pH value for public water supplies may range between
Options- A. 4.5 to 5.5
- B. 5.5 to 6.5
- C. 6.5 to 8.5
- D. 8.5 to 10.5
- E. none of these. Discuss
- 10. Standard process of chlorination of water, is done by
Options- A. plain chlorination
- B. pre-chlorination
- C. post-chlorination
- D. double chlorination. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: galvanised iron pipes
Correct Answer: rapid gravity filter
Correct Answer: flanged joint
Correct Answer: depth of tank
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 3 m
Correct Answer: 6.5 to 8.5
Correct Answer: post-chlorination
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