Menu
Home / Civil Engineering / Environmental Engineering - Civil Engineering :: section-1

Civil Engineering :: Environmental Engineering - Civil Engineering

Environmental Engineering - Civil Engineering - section-1
  1. The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is

    2. A.

     Separate system
    B.

     Combined system
    C.

     Partially separate system
    D.

     Partially combined system

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. In lime-soda process

    3. A.

     Only carbonate hardness is removed
    B.

     Only noncarbonated hardness is removed
    C.

     Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness
    D.

     Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. Scour valves are provided

    4. A.

     At street corners to control the flow of water
    B.

     At every depression and dead ends to drain out the waste water that may collect there
    C.

     At the foot of rising main along the slope to prevent back running of water
    D.

     At every summit of rising mains

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be

    5. A.

     100000 m³
    B.

     150000 m³
    C.

     180000 m³
    D.

     270000 m³

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. Sewerage system is designed for

    6. A.

     Maximum flow only
    B.

     Minimum flow only
    C.

     Average flow only
    D.

     Maximum and minimum flow

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. The process of lagooning is primarily a means of

    7. A.

     Reducing the excessive flow in sewers
    B.

     Disposing of sludge
    C.

     Increasing the capacity of storage reservoirs
    D.

     Increasing flow of sewage through imhoff tanks

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. The ratio of 5 day BOD to ultimate BOD is about

    8. A.

     1/3
    B.

     2/3
    C.

     3/4
    D.

     1.0

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. The type of valve, which is provided on the suction pipe in a tube-well, is

    9. A.

     Air relief valve
    B.

     Reflux valve
    C.

     Pressure relief valve
    D.

     Sluice valve

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. For a given discharge, the efficiency of sedimentation tank can be increased by

    10. A.

     Increasing the depth of tank
    B.

     Decreasing the depth of tank
    C.

     Increasing the surface area of tank
    D.

     Decreasing the surface area of tank

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. The settling velocity of a particle in a sedimentation tank depends on

    11. A.

     Depth of tank
    B.

     Surface area of tank
    C.

     Both depth and surface area of tank
    D.

     None of the above

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers