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.Management Sciences
A. The change of gradient
B. The change of direction
C. The junctions of sewers
D. All of these
Related Mcqs:
- A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is_____________________?
- A. 2.30 m B. 2.40 m C. 2.45 m D. 2.50 m...
- The presence of free ammonia in sewage, is detected by___________________?
- A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid...
- Removal of oil and grease from sewage, is known____________________?
- A. Screening B. Skimming C. Filtration D. None of these...
- The suitable cross-section of sewers to carry combined flow, is__________________?
- A. Circular B. Egg shaped C. Rectangular D. Horse shoe shaped...
- ‘Cowl’ is provided at___________________?
- A. Lower end of ventilating column B. Upper end of ventilating column C. Upper end of the manhole D. First step in manhole...
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