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- Question
House connections to the laterals is generally made by
Options- A. R.C.C.
- B. P.C.C.
- C. Cast iron
- D. Glazed stonewares.
- Correct Answer
- Glazed stonewares.
- 1. The rate of accumulation of sludge in septic tanks is recommended as
Options- A. 30 litres/person/year
- B. 25 litres/person/year
- C. 30 litres/person/month
- D. 25 litres/person/month. Discuss
- 2. If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is
Options- A. 200 ppm
- B. 225 ppm
- C. 250 ppm
- D. None of these. Discuss
- 3. For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed
Options- A. 3 PPm
- B. 4 PPm
- C. 5 PPm
- D. 10 ppm. Discuss
- 4. For house drainage minimum gradient is
Options- A. 1 in 60
- B. 1 in 80
- C. 1 in 10
- D. 1 in 400 Discuss
- 5. In olden days the type of section adopted in trunk and out fall sewers was
Options- A. parabolic shaped
- B. horse shoe shaped
- C. egg shaped
- D. circular shaped. Discuss
- 6. If the diameter of sewer is 225 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
- 7. An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at
Options- A. 25°
- B. 35°
- C. 45°
- D. 55°
- E. 60° Discuss
- 8. The diameter of longitudinal bars of a column should never be less than
Options- A. 6 mm
- B. 8 mm
- C. 10 mm
- D. 12 mm
- E. none of these. Discuss
- 9. The effective width of a column strip of a flat slab, is
Options- A. one-fourth the width of the panel
- B. half the width of the panel
- C. radius of the column
- D. diameter of the column
- E. none of these. Discuss
- 10. Dimensions of a beam need be changed if the shear stress is more than
Options- A. 10 kg/cm2
- B. 15 kg/cm2
- C. 20 kg/cm2
- D. 25 kg/cm2 Discuss
Waste Water Engineering problems
Search Results
Correct Answer: 30 litres/person/year
Correct Answer: 250 ppm
Correct Answer: 4 PPm
Correct Answer: 1 in 60
Correct Answer: horse shoe shaped
Correct Answer: 1 in 120
Correct Answer: 45°
Correct Answer: 12 mm
Correct Answer: half the width of the panel
Correct Answer: 20 kg/cm2
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