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.Management Sciences
A. Turbidity is more in strong sewage
B. The black colour indicates septic sewage
C. The sewage omits offensive odours after four hours
D. All the above
Related Mcqs:
- Pick up the correct statement from the following ?
- A. Rate of digestion of sludge is more at higher temperature B. Thermophilic organisms digest the sludge if the temperature ranges from 40° to 60°C C. Mesophilic organisms digest the sludge if the temperature is between 25° and 40°C D. All the above...
- A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________?
- A. 100 B. 1000 C. 5000 D. 10000...
- If the grit in grit chambers is 4.5 million litres per day, its cleaning is done____________________?
- A. Manually B. Mechanically C. Hydraulically D. Electrically...
- Removal of oil and grease from sewage, is known____________________?
- A. Screening B. Skimming C. Filtration D. None of these...
- For trunk and out-fall, the type of sewers generally used, is_____________________?
- A. Standard egg shaped B. Circular shaped C. Horse shoe shaped D. Parabolic shaped...
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