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- Question
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.
- Correct Answer
- all the above.
- 1. The head against which the motor works for lifting water, is
Options- A. maximum depth of water table below ground level
- B. maximum depression head
- C. velocity head
- D. frictional losses in the delivery pipe
- E. all the above. Discuss
- 2. Gravity conduits are generally in the form of
Options- A. canals
- B. flumes
- C. aqueduct
- D. tunnels
- E. all the above. Discuss
- 3. To remove very fine suspended particles from water, the method adopted is
Options- A. screening
- B. sedimentation
- C. boiling
- D. filtration. Discuss
- 4. Pick up the correct statement from the following :
Options- A. The water level in a still well, represents the ground water table level
- B. The difference between water table level and the water level in a well after pumping, is called depression head
- C. The surface of water table surrounding a well during pumping, forms a cone of depression
- D. The distance from the centre of the well up to the place where level of water table is not affected, is called radius of influence
- E. All the above. Discuss
- 5. Pipes are laid parallel
Options- A. to increase the capacity of the water supply
- B. to provide a means of repairing without closing water supply
- C. to meet the requirement of excessive supply
- D. all the above. Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: filtration.
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 135 litres
Correct Answer: elevated tank
Correct Answer: D = 1.22 Q
Correct Answer: wedge shaped circular disc
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