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- Question
The maximum pressure to which a pipe is subjected to during its operation, is known
Options- A. working pressure
- B. design pressure
- C. test pressure
- D. pipe pressure
- E. all the above.
- Correct Answer
- working pressure
- 1. If the specific capacity of a well is 0.3183 x 10-3 per sec, the discharge from a well of 4 m diameter under a depression head of 4 m, is
Options- A. 8 litres/sec
- B. 10 litres/sec
- C. 12 litres/sec
- D. 14 litres/sec
- E. 16 litres/sec. Discuss
- 2. Normal values of overflow rate for plain sedimentation tank using coagulants, is
Options- A. 750 to 1000 litres/hr/m2
- B. 1000 to 1250 litres/hr/m2
- C. 1250 to 1500 litres/hr/m2
- D. 1500 litres/hr/m2. Discuss
- 3. A slow sand filter is cleaned if its filter head is higher than
Options- A. 10 cm to 20 cm
- B. 20 cm to 40 cm
- C. 40 cm to 70 cm
- D. 70 cm to 120 cm
- E. 120 cm to 150 cm. Discuss
- 4. Before constructing a dam, the factor to be considered for controlling sedimentation, is
Options- A. selection of dam site
- B. construction of check dams
- C. providing vegetation screens
- D. providing under-sluices in the dam
- E. All the above. Discuss
- 5. The permissible amount of nitrites present in potable water, is
Options- A. 10 ppm
- B. 15 ppm
- C. 20 ppm
- D. 45 ppm
- E. Nil. Discuss
- 6. The factor to be considered for the source of city water supply, is
Options- A. quantity and quality of the available water
- B. elevation of the source of water
- C. general terrain intervening the area
- D. all the above. Discuss
- 7. Pick up the correct statement from the following :
Options- A. Domestic use of water is 50% of total consumption
- B. Average consumption of commercial use of water is 25% of total consumption
- C. Consumption of water on public use is 10% of total consumption
- D. Waste water and leakage is 15% of total consumption
- E. all the above. Discuss
- 8. Dead storage of a reservoir of Q capacity generally provided for silt deposition during its life time, is generally kept
Options- A. 1/8th Q
- B. 1/6th Q
- C. 1/5th Q
- D. 1/4th Q
- E. 1/3rd Q. Discuss
- 9. The capability of a soil mass of full width and depth to transmit water, is known
Options- A. porosity
- B. permeability
- C. transmissibility
- D. none of these. Discuss
- 10. Sluice valves in main water supplies
Options- A. are used to regulate the flow of water in pipes
- B. are spaced about 5 km apart
- C. are usually placed at the summits
- D. all the above. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: 16 litres/sec.
Correct Answer: 1000 to 1250 litres/hr/m2
Correct Answer: 70 cm to 120 cm
Correct Answer: All the above.
Correct Answer: Nil.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 1/4th Q
Correct Answer: permeability
Correct Answer: all the above.
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