Discussion
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- Question
According to Buston's formula, fire demand in litres per minute for a population of P thousands, is
Options- A. 3182 P
- B.
- C. 4637 P (1 - 0.01 P)
- D. 5663 P
- E. none of these.
- Correct Answer
- 5663 P
- 1. High pH value of water does not produce
Options- A. incrustation
- B. sediment deposits
- C. turberculation
- D. corrosion
- E. both (c) and (d). Discuss
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. If Q is discharge is cubicmetres per sec and D is the economical diameter of the pipe. According to Lea
Options- A. D = 0.67 to 0.87 Q
- B. D = 0.77 to 0.97 Q
- C. D = 0.97 to 1.22 Q
- D. D = 1.22 to 1.33 Q. Discuss
- 7. Detention period of a settling tank is
Options- A. average theoretical time required for water to flow through the tank
- B. time required for flow of water to fill the tank fully
- C. average time for which water is retained in tank
- D. ratio of volume of basin of a sedimentation tank to the rate of flow
- E. all the above. Discuss
- 8. Turbidity of water is expressed
Options- A. in ppm
- B. in numbers in an arbitrary scale
- C. by pH value
- D. by colour code. Discuss
- 9. Recuperation test is carried out to determine
Options- A. turbidity of water
- B. pH value of water
- C. yield of well
- D. discharge from a well. Discuss
- 10. 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
Water Supply Engineering problems
Search Results
Correct Answer: both (c) and (d).
Correct Answer: 75 to 115 P.P.M.
Correct Answer: Freeman formula
Correct Answer: by gravitational system
Correct Answer: all the above.
Correct Answer: D = 0.97 to 1.22 Q
Correct Answer: all the above.
Correct Answer: in ppm
Correct Answer: yield of well
Correct Answer: Nil.
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