Setting out the alignments of sewers may start from__________________?

Related Mcqs:

1. For large sewers, maximum distance between manholes may be_______________?

   A. 50 m
   B. 100 m
   C. 200 m
   D. 300 m

2. The gas which may cause explosion in sewers, is_________________?

   A. Carbondioxide
   B. Methane
   C. Ammonia
   D. Carbon monoxide

3. The sewerage system originates from__________________?

   A. House sewers
   B. Lateral sewers
   C. Branch sewers
   D. Main sewers

4. Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?

   A. pt = 3H3p/2 Z5
   B. pt = 2H3p/3 Z5
   C. pt = 3H3p/2Z5
   D. pt = 2 3p/3Z5

5. For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is____________________?

   A. Cast iron sewers
   B. Cement concrete sewers
   C. Glazed bricks sewers
   D. Stone ware sewers

6. In sewers the gas generally found, is_________________?

   A. Hydrogen sulphide (H2S)
   B. Carbon dioxide (CO2)
   C. Methane (CH4)
   D. All the above

7. Clogging of sewers, is caused due to_______________?

   A. Silting
   B. Low discharge
   C. Greasy and oily matters
   D. All the above

8. The suitable cross-section of sewers to carry combined flow, is__________________?

   A. Circular
   B. Egg shaped
   C. Rectangular
   D. Horse shoe shaped

9. 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

10. The most efficient cross-section of sewers in a combined sewerage system is________________?

    A. Parabolic
    B. Circular
    C. Rectangular
    D. New egged