Discussion
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- Question
The formula for pipe flows, suggested by, Hazen-William is
Options- A.
- B. V = 0.85 CH R0.63 . S0.54
- C.
- D. None of these.
- Correct Answer
- V = 0.85 CH R0.63 . S0.54
- 1. The discharge
for the confined tube well is obtained from
Options- A. Thiem's formula
- B. Darcy's formula
- C. Tolman's formula
- D. Dupuits formula. Discuss
- 2. Water having pH value as 6, is
Options- A. alkaline
- B. acidic
- C. neutral
- D. none of these. Discuss
- 3. Pickup the incorrect statement from the following :
Options- A. The invert of pressure conduit is independent of the grade of the hydraulic gradient line
- B. The pressure conduits may be taken uphill upto a maximum height of 8.3 m
- C. Aqueducts and tunnels sections are generally kept circular
- D. None of these. Discuss
- 4. While selecting the location of an intake for collecting surface water, the factor considered, is
Options- A. The intake point should be near as far as possible to the treatment plant
- B. The intake point should be in purer zone of the water source
- C. The intake point should be upstream of the point of disposal of waste water
- D. The intake point in meandering rivers should be on concave banks
- E. All the above; Discuss
- 5. Non-pathogenic bacterias cause the following water borne disease,
Options- A. cholera
- B. typhoid
- C. infections hepatitis
- D. none of these. Discuss
- 6. Perched acquifers are generally found
Options- A. on the surface of the ground
- B. below the surface of the ground but above water table
- C. below the water table
- D. all the above. Discuss
- 7. Water to the consumers may be supplied from
Options- A. infiltration galleries connected to sump well
- B. infiltration well dug out on the banks of rivers
- C. ranney wells sunk to the water level
- D. all the above. Discuss
- 8. A strainer type well sunk through three pervious layers intervened by three impervious aquicludes, draws water from
Options- A. top most pervious layer
- B. central pervious layer
- C. lowest pervious layer
- D. all the pervious layers. Discuss
- 9. If the average daily demand of a city of 50, 000 population, is 20 m.l.d., the maximum daily demand is
Options- A. 24 mld
- B. 30 mld
- C. 36 mld
- D. 54 mld. Discuss
- 10. Steel pipe are
Options- A. suitable for withstanding high internal pressure
- B. connected by riveted or welded joints
- C. generally laid under ground and no expansion joint is required
- D. likely to last 100 years under ordinary conditions
- E. None of these. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: Dupuits formula.
Correct Answer: acidic
Correct Answer: None of these.
Correct Answer: All the above;
Correct Answer: none of these.
Correct Answer: below the surface of the ground but above water table
Correct Answer: all the above.
Correct Answer: all the pervious layers.
Correct Answer: 36 mld
Correct Answer: likely to last 100 years under ordinary conditions
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