Discussion
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- Question
For sewers, inverted siphon is provided for
Options- A. one pipe
- B. two pipes
- C. three pipes
- D. four pipes.
- Correct Answer
- three pipes
- 1. The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called
Options- A. a heap
- B. plateu
- C. windrow
- D. none of these. Discuss
- 2. No treatment of the sewage is given if dilution factor is
Options- A. less than 150
- B. between 150 to 200
- C. between 200 to 300
- D. between 400 to 500
- E. more than 500 Discuss
- 3. Pathogens (or pathogentic bacterias) in water may cause
Options- A. typhoid
- B. cholera
- C. dysentery
- D. infectious hepatitis
- E. all the above. Discuss
- 4. For drains up to 15 cumecs, the depth d and width B are related by
Options- A. d = 0.2 B
- B. d = 0.5 B
- C. B = 0.2 d
- D. B = 0.5 d. Discuss
- 5. The laying of sewers is done with
Options- A. magnetic compass
- B. theodolite
- C. level
- D. clinometer
- E. plane table. Discuss
- 6. If the pH value of sewage is 7
Options- A. it is acidic
- B. it is alkaline
- C. it is neutral
- D. none of these. Discuss
- 7. For having central angle ?, the area of cross-section of sewers running partially full, is
Options- A.
- B.
- C.
- D.
Discuss
- 8. A manhole is generally provided at each
Options- A. bend
- B. junction
- C. change of gradient
- D. change of sewer diameter
- E. all the above. Discuss
- 9. If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is
Options- A. 1.39 m
- B. 1.49 m
- C. 1.59 m
- D. 1.69 m
- E. 1.79 m. Discuss
- 10. Bottom openings 15 cm x 15 cm in the standing baffle wall are provided
Options- A. 15 cm c/c
- B. 22.5 cm c/c
- C. 30 cm c/c
- D. 50 cm c/c. Discuss
Waste Water Engineering problems
Search Results
Correct Answer: none of these.
Correct Answer: more than 500
Correct Answer: all the above.
Correct Answer: d = 0.5 B
Correct Answer: level
Correct Answer: it is neutral
Correct Answer:
Correct Answer: all the above.
Correct Answer: 1.69 m
Correct Answer: 22.5 cm c/c
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