Water Supply Engineering problems
- 1. 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
Correct Answer: 0.5 mg/litre.
- 2. 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
Correct Answer: 2.7
- 3. 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
Correct Answer: all the above.
- 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
Correct Answer: depth of tank
- 5. 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
Correct Answer: flanged joint
- 6. Distribution of wash water is provided in
Options- A. sedimentation tank
- B. slow sand filter
- C. rapid gravity filter
- D. all the above. Discuss
Correct Answer: rapid gravity filter
- 7. 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
Correct Answer: galvanised iron pipes
- 8. 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
Correct Answer: all the above.
- 9. 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
Correct Answer: all the above.
- 10. 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
Correct Answer: all the above.
More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.