Discussion
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- Question
The requirement of water per capita per day, is
Options- A. 90 litres
- B. 150 litres
- C. 250 litres
- D. 400 litres.
- Correct Answer
- 90 litres
- 1. Alum is a
Options- A. coagulant
- B. flocculant
- C. catalyst
- D. disinfectant. Discuss
- 2. Total flow in stream is known
Options- A. run off
- B. stream flow
- C. discharge
- D. all the above. Discuss
- 3. The U.C. (uniformity coefficient)
for the best filter media sand should be
Options- A. 2
- B. 3
- C. 4
- D. 5
- E. none of these. Discuss
- 4. Permanent hardness of water can be removed by
Options- A. adding alum
- B. adding lime
- C. adding chlorine
- D. boiling
- E. zeolite process. Discuss
- 5. Filtration of water is done to remove
Options- A. colour
- B. odour
- C. turbidity
- D. pathogenic bacteria
- E. all the above. Discuss
- 6. Generally, first portion of a logistic curve for the population growth of a developing city, represents the growth of
Options- A. increasing
- B. decreasing
- C. constant
- D. all the above. Discuss
- 7. Pick up the correct statement from the following :
Options- A. Deposition of calcium carbonate on the inside of the well pipe, causes incrustation of the pipe
- B. Incrustation of the pipe reduces the discharge
- C. Acidic waters cause corrosion of the pipes
- D. Corrosion results due to excessive withdrawal of sand along with water
- E. All the above. Discuss
- 8. Pick up the incorrect statement from the following :
Options- A. Porosity of clay sand soil is 45%
- B. Porosity of pure sand is 35%
- C. Porosity of sand stone is up to 15%
- D. Least porosity is that of granite and quartz
- E. None of these. Discuss
- 9. The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form
Options- A. Mono-chloramine (NHCl)
- B. Di-chloramine (NH2Cl)
- C. Nitrogen trichloramine (NCl3)
- D. All the above. Discuss
- 10. The ensure proper growth of children's teeth, the quantity of flouride used in water mains, is
Options- A. 1 mg/litre
- B. 2 mg/litre
- C. 3 mg/litre
- D. 4 mg/litre
- E. 5 mg/litre. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: coagulant
Correct Answer: all the above.
Correct Answer: 2
Correct Answer: zeolite process.
Correct Answer: turbidity
Correct Answer: increasing
Correct Answer: All the above.
Correct Answer: None of these.
Correct Answer: All the above.
Correct Answer: 1 mg/litre
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