Sewerage system is designed for_______________?

Related Mcqs:

1. Sewerage system is usually designed for_________________?

   A. 10 years B. 25 years C. 50 years D. 75 years...

2. Sewage treatment units are designed for_______________?

   A. maximum flow only B. minimum flow only C. average flow only D. maximum and minimum flow...

3. For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be________________?

   A. separate system B. combined system C. partially combined system D. partially separate system...

4. The distribution mains are designed for________________?

   A. maximum daily demand B. maximum hourly demand C. average daily demand D. maximum hourly demand on maxi¬mum day...

5. Sewage treatment units are normally designed for______________?

   A. 5-10 years B. 15-20 years C. 30-40 years D. 40-50 years...

6. The most common cause of acidity in water is_______________?

   A. carbon dioxide B. oxygen C. hydrogen D. nitrogen...

7. The suitable method for disinfection of swimming pool water is________________?

   A. ultra violet rays treatment B. lime treatment C. by using potassium permanganate D. chlorination...

8. If the sewage contains grease and fatty oils, these are removed in_________________?

   A. grit chambers B. detritus tanks C. skimming tanks D. sedimentation tanks...

9. The hydraulic mean depth (HMD. for an egg-shaped sewer flowing two-third full is_______________?

   A. equal to HMD when flowing full B. less than HMD when flowing full C. greater than HMD when flowing full D. none of the above...

10. The detention period in coagulation tanks is usually kept as_______________?

    A. 1 to 2 minutes B. 30 to 45 minutes C. 2 to 6 hours D. 2 to 6 days...