Discussion
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- Question
For the open drain (N = 0.025) shown in the below figure, the discharge is
Options- A. 26.88 cumecs
- B. 27.88 cumecs
- C. 28.88 cumecs
- D. 29.88 cumecs.
- Correct Answer
- 28.88 cumecs
- 1. Ventilating shafts are provided to a sewer line at every
Options- A. 100 m
- B. 150 m
- C. 200 m
- D. 300 m
- E. 500 m. Discuss
- 2. Inter-distance between ventilation columns in a sewer line is kept
Options- A. 25 to 50 m
- B. 50 m to 100 m
- C. 100 m to 150 m
- D. 150 m to 300 m. Discuss
- 3. Stoneware sewers are available in size
Options- A. 10 cm
- B. 15 cm
- C. 20 cm
- D. 25 cm
- E. all the above. Discuss
- 4. The pH value of sewage is determined with the help of
Options- A. Imhoff Cone
- B. turbidimeter
- C. potentiometer
- D. none of these. Discuss
- 5. Primary treatment of sewage consists of removal of
Options- A. large suspended organic solids
- B. oil and grease
- C. sand and girt
- D. floating materials
- E. none of these. Discuss
- 6. The sewer which resists sulphide corrosion, is
Options- A. Brick sewer
- B. Cast iron sewer
- C. R.C.C. sewer
- D. Lead sewer
- E. None of these. Discuss
- 7. Which one of the following part of human body withstands minimum radiation
Options- A. thyroid
- B. kidneys
- C. eyes
- D. ovaries/testis. Discuss
- 8. Which one of the following gases is most significant as air pollutant
Options- A. Carbondioxide
- B. Oxygen
- C. Nitrogen
- D. Sulphurdioxide. Discuss
- 9. If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is
Options- A. 1 in 60
- B. 1 in 100
- C. 1 in 120
- D. none of these. Discuss
- 10. 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of
Options- A. 0°C
- B. 15°C
- C. 20°C
- D. 25°C. Discuss
Waste Water Engineering problems
Search Results
Correct Answer: 300 m
Correct Answer: 150 m to 300 m.
Correct Answer: all the above.
Correct Answer: potentiometer
Correct Answer: large suspended organic solids
Correct Answer: Lead sewer
Correct Answer: ovaries/testis.
Correct Answer: Sulphurdioxide.
Correct Answer: 1 in 100
Correct Answer: 20°C
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