Home / Civil Engineering / Waste Water Engineering :: section-8

Civil Engineering :: Waste Water Engineering

  1. If q is the average sewage flow from a city of population P, the maximum sewage flow

  2. A.

     Q = [(4 + )/(18 + )] q

    B.

     Q = [(18 + P)/(4 + )] q

    C.

     Q = [(18 + )/(4 + )] q

    D.

     Q = [(5 + )/((15 + )] q


  3. Fresh sewage may become stale in

  4. A.

     One hour

    B.

     Two to three hours

    C.

     Three to four hours

    D.

     Six hours


  5. The grit and silt of the grit chambers, may not be used for

  6. A.

     Raising low lying areas by dumping

    B.

     Concreting

    C.

     Both A and B

    D.

     Neither A nor B


  7. When drainage to sewage ratio is 20, the peak dry weather flow is

  8. A.

     20% of the design discharge

    B.

     Slightly less than 5% of the design discharge

    C.

     Slightly more than 5% of the design discharge

    D.

     None of these


  9. The sewerage system consists of

  10. A.

     House sewer

    B.

     Lateral sewer

    C.

     Branch sewer

    D.

     All of these