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.Management Sciences
A. In treated sewage, 4 ppm of D.O. is essential
B. Only very fresh sewage contains some dissolved oxygen
C. The solubility of oxygen in sewage is 95% that is in distilled water
D. All the above
Related Mcqs:
- The Chezy’s constant C in the formula V = C_________________?
- A. Size of the sewer B. Shape of the sewer C. Roughness of sewer surface D. All the above...
- Inter-distance between ventilation columns in a sewer line is kept__________________?
- A. 25 to 50 m B. 50 m to 100 m C. 100 m to 150 m D. 150 m to 300 m...
- The liquid wastes from kitchens, bath rooms and wash basins, is not called________________?
- A. Liquid waste B. Sullage C. Sewage D. None of these...
- The sewerage system originates from__________________?
- A. House sewers B. Lateral sewers C. Branch sewers D. Main sewers...
- For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is________________?
- A. 10 cm B. 12 cm C. 15 cm D. 18 cm...
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