Discussion
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- Question
For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of
Options- A. 100 cm
- B. 120 cm
- C. 140 cm
- D. 160 cm
- E. 180 cm.
- Correct Answer
- 160 cm
- 1. Pick up the incorrect size of stone ware sewers
Options- A. 52.5 cm
- B. 67.5 cm
- C. 82.5 cm
- D. 90 cm
- E. none of these. Discuss
- 2. Pick up the correct statement from the following :
Options- A. the sewer pipes of sizes less than 0.4 m diameter are designed as running full at maximum discharge
- B. the sewer pipes of sizes greater than 0.4 m diameter are designed as running 2/3rd or 3/4th full at maximum discharge
- C. the minimum design velocity of sewer pipes is taken as 0.8 m/sec
- D. all the above. Discuss
- 3. The pressure exerted by
Options- A. the sewage when running full from inside, is called internal pressure
- B. the internal pressure if any, causes tensile stress in the pipe material
- C. pressure sewers are designed to be safe in tension
- D. All the above. Discuss
- 4. Pick up the correct statement from the following :
Options- A. Small sewers are cleaned by flushing
- B. Medium sewers are cleaned by cane rodding
- C. Medium sewers may be cleaned by pills
- D. Large sewers are cleaned by removing the deposited materials
- E. All the above. Discuss
- 5. The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known
Options- A. house sewer
- B. lateral sewer
- C. branch sewer
- D. sewer outfall. Discuss
- 6. The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be
Options- A. 0.9 cm
- B. 1.2 m
- C. 1.5 m
- D. > 1.5 m. Discuss
- 7. The grit and silt of the grit chambers, may not be used for
Options- A. raising low lying areas by dumping
- B. concreting
- C. both (a) and (b)
- D. neither (a) nor (b). Discuss
- 8. The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock's law, is
Options- A.
- B.
- C.
- D.
Discuss
- 9. In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is
Options- A. separate system
- B. combined system
- C. partially combined system
- D. none of these. Discuss
- 10. The intensity of rain is expressed in
Options- A. cm/minute
- B. cm/hour
- C. cm/day
- D. none of these. Discuss
Waste Water Engineering problems
Search Results
Correct Answer: none of these.
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: All the above.
Correct Answer: sewer outfall.
Correct Answer: > 1.5 m.
Correct Answer: concreting
Correct Answer:
Correct Answer: combined system
Correct Answer: cm/hour
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