Discussion
Home ‣ Civil Engineering ‣ Waste Water Engineering Comments
- Question
In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is
Options- A.
- B.
- C.
- D.
- Correct Answer
-
- 1. If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of
Options- A. degradation
- B. active decomposition
- C. recovery
- D. cleaner water
- E. none of these. Discuss
- 2. In 1000 kg of sewage, the total solids approximate
Options- A. 0.5 to 1.0 kg
- B. 1 kg to 2.0 kg
- C. 5 kg to 7.5 kg
- D. 7.5 kg to 10 kg. Discuss
- 3. Dry weather flow is :
Options- A. average daily rate of flow
- B. average monthly rate of flow
- C. average annual rate of flow
- D. water supply allowance per capita
- E. none of these. Discuss
- 4. Which one of the following resists hydrogen sulphide corrosion
Options- A. R.C.C.
- B. Glazed stone wares
- C. Asbestos cement
- D. Glazed ware. Discuss
- 5. As compared to fresh river water, sea water contains oxygen
Options- A. 10% less
- B. 20% less
- C. 10% more
- D. 20% more. Discuss
- 6. The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is
Options- A. 213.5 cm/sec
- B. 313.5 cm/sec
- C. 413.5 cm/sec
- D. 500 cm/sec. Discuss
- 7. In sewers designed with self cleansing velocity,
Options- A. the bottom is silted
- B. the bottom is scoured
- C. both silting and scouring occur at the bottom
- D. neither silting nor scouring occurs at the bottom. Discuss
- 8. In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is
Options- A.
- B.
- C.
- D.
Discuss
- 9. Hume steel pipes are
Options- A. steel pipes
- B. R.C.C. pipes
- C. steel shell coated from inside with cement mortar
- D. steel shell coated from outside with cement mortar
- E. both (c) and (d). Discuss
- 10. The ratio of design discharge to the surface area of a sedimentation tank is called
Options- A. surface loading
- B. overflow rate
- C. overflow velocity
- D. all of these. Discuss
Waste Water Engineering problems
Search Results
Correct Answer: active decomposition
Correct Answer: 0.5 to 1.0 kg
Correct Answer: water supply allowance per capita
Correct Answer: Glazed ware.
Correct Answer: 20% less
Correct Answer: 313.5 cm/sec
Correct Answer: neither silting nor scouring occurs at the bottom.
Correct Answer:
Correct Answer: both (c) and (d).
Correct Answer: all of these.
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.