Discussion
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- Question
The maximum pressure to which cast iron pipes may be subjected to, is
Options- A. 3 kg/cm2
- B. 5 kg/cm2
- C. 7 kg/cm2
- D. 10 kg/cm2.
- Correct Answer
- 7 kg/cm2
- 1. Most important source of water for public water supply, is from
Options- A. lakes
- B. ponds
- C. streams
- D. rivers
- E. sea. Discuss
- 2. The type of pipe commonly used in water supply distribution schemes, is
Options- A. R.C.C. pipes
- B. Hume pipes
- C. Cast iron pipes
- D. G.I. pipes. Discuss
- 3. Specific capacity or yield of wells, is generally expressed, as
Options- A. m3 per sec
- B. m3/hour
- C. m3/hour/m2
- D. m3/hour/m2/m
- E. m3/hour/m2/sec. Discuss
- 4. Most commonly used section in grade aqueducts, is
Options- A. circular
- B. rectangular
- C. parabolic
- D. horse shoe section. Discuss
- 5. Pick up the correct statement from the following :
Options- A. Water with hardness upto 75 ppm is considered soft
- B. Water with hardness more than 200 ppm is considered hard
- C. Water needed for laundaries should contain hardness less than 75 ppm
- D. To provide taste during drinking, water should possess hardness between 75 to 120
- E. All the above. Discuss
- 6. If the chosen diameter of a pipe, is less than the economical diameter
Options- A. cost of pipe will be less
- B. head loss will be high
- C. cost of pumping will be more than saving
- D. all the above. Discuss
- 7. When the reduced level of the water source is higher than the reduced level of the consumer's place, water is generally supplied
Options- A. by pumping system
- B. by gravitational system
- C. both (a) and (b)
- D. all the above. Discuss
- 8. The fire demand for ascertaining the empirical formula
known as
Options- A. Kuichling's formula
- B. Buston's formula
- C. Freeman formula
- D. Under Writers formula
- E. None of these. Discuss
- 9. The prescribed hardness limit of potable water ranges between
Options- A. 50 to 75 P.P.M.
- B. 75 to 115 P.P.M.
- C. 100 to 150 P.P.M.
- D. 150 to 200 P.P.M.
- E. none of these. Discuss
- 10. High pH value of water does not produce
Options- A. incrustation
- B. sediment deposits
- C. turberculation
- D. corrosion
- E. both (c) and (d). Discuss
Water Supply Engineering problems
Search Results
Correct Answer: rivers
Correct Answer: Cast iron pipes
Correct Answer: m3/hour/m2/m
Correct Answer: rectangular
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: by gravitational system
Correct Answer: Freeman formula
Correct Answer: 75 to 115 P.P.M.
Correct Answer: both (c) and (d).
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