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Civil Engineering :: Waste Water Engineering

Waste Water Engineering - Section 1
Waste Water Engineering - Section 2
Waste Water Engineering - Section 3
Waste Water Engineering - Section 4
Waste Water Engineering - Section 5
Waste Water Engineering - Section 6
Waste Water Engineering - Section 7
Waste Water Engineering - section-8
  1.  

    The asbestos cement pipes are generally laid
    2. A.
    horizontally
    B.

    vertically
    C.

    at an angle of 30°
    D.

    at an angle of 60°.

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  2. Chlorination of water is done for the removal of
    3. A.

    bacterias
    B.

    suspended solids
    C.

    sediments
    D.

    hardness.

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  3.  

    For evaporation and measurement of settlable solids, the apparatus used, is
    4. A.

    a jar
    B.

    a breaker
    C.

    a test tube
    D.

    an Imhoff cone.

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  4. In SI units the power of sound is represented in

    5. A.

    kgs
    B.

    joules
    C.

    neutons
    D.
    watts.

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  5.  

    A rain sanitary sewer is constructed to carry
    6. A.

    sanitary sewage
    B.
    storm sewage
    C.

    surface water
    D.
    ground water
    E.

    all the above.

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  6.  

    The sewage is pumped up
    7. A.

    from low lying areas
    B.

    from flat areas
    C.

    from basements
    D.

    across a high ridge
    E.

    all the above.

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  7.  

    Removal of oil and grease from sewage, is known
    8. A.

    screening
    B.
    skimming
    C.

    filtration
    D.
    none of these.

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  8.  

    The gas which may cause explosion in sewers, is
    9. A.

    carbondioxide
    B.
    methane
    C.

    ammonia
    D.

    carbon monoxide.

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  9. In sewers the effect of scouring is more on
    10. A.
    top side
    B.

    bottom side
    C.

    horizontal side
    D.

    all sides.

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