Design period of 40 to 50 years is adopted for_________________?

Related Mcqs:

1. The design period in years for pumping plants, is___________________?

   A. 1 B. 2 to 3 C. 3 to 5 D. 5 to 10...

2. The design period of sewage treatment works in normally_________________?

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

3. ¾th or ¼th extra space is left in sewer pipes at maximum discharge for_________________?

   A. Low estimates of the average and maximum flows B. Large scale infiltration of storm water C. Unexpected increase in population D. All the above...

4. The detention time (t) of a settling tank, may be defined as the time required for_________________?

   A. A particle to travel along its length B. A particle to travel from top surface to bottom sludge zone C. The flow of sewage to fill the tank D. None of these...

5. Sewer pipes need be checked for_________________?

   A. Minimum flow B. Maximum flow C. Both A. and B. D. None of these...

6. The standard B.O.D. of water is taken for_________________?

   A. 1 day B. 2 days C. 3 days D. 5 days...

7. The grit and silt of the grit chambers, may not be used for_________________?

   A. Raising low lying areas by dumping B. Concreting C. Both A. and B. D. Neither A. nor B...

8. General energy equation holds for_________________?

   A. steady flow B. turbulent flow C. laminar flow D. non-uniform flow E. all of the above...

9. Maximum permissible velocity 1.5 m/sec, is adopted in drains_______________________?

   A. With beds of rocks and gravels B. Lined with stones C. Both A. and B. D. Neither A. nor B....

10. In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is_______________?

    A. Separate system B. Combined system C. Partially combined system D. None of these...