Discussion
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- Question
Pathogens (or pathogentic bacterias) in water may cause
Options- A. typhoid
- B. cholera
- C. dysentery
- D. infectious hepatitis
- E. all the above.
- Correct Answer
- all the above.
- 1. 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
- 2. The laying of sewers is done with
Options- A. magnetic compass
- B. theodolite
- C. level
- D. clinometer
- E. plane table. Discuss
- 3. Sewer manholes are generally provided at
Options- A. the change of gradient
- B. the change of direction
- C. the junctions of sewers
- D. all of these. Discuss
- 4. The settlement of a particle in sedimentation tank, is affected by
Options- A. velocity of flow
- B. viscosity of water
- C. size and shape of solid
- D. specific gravity of solid
- E. all the above. Discuss
- 5. If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is
Options- A. 2 hours
- B. 4 hours
- C. 6 hours
- D. 8 hours. Discuss
- 6. 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
- 7. 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
- 8. For sewers, inverted siphon is provided for
Options- A. one pipe
- B. two pipes
- C. three pipes
- D. four pipes. Discuss
- 9. 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
- 10. For having central angle ?, the area of cross-section of sewers running partially full, is
Options- A.
- B.
- C.
- D.
Discuss
Waste Water Engineering problems
Search Results
Correct Answer: d = 0.5 B
Correct Answer: level
Correct Answer: all of these.
Correct Answer: all the above.
Correct Answer: 8 hours.
Correct Answer: more than 500
Correct Answer: none of these.
Correct Answer: three pipes
Correct Answer: it is neutral
Correct Answer:
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