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Civil Engineering :: Water Supply Engineering

Water Supply Engineering - Section 1
Water Supply Engineering - Section 2
Water Supply Engineering - Section 3
Water Supply Engineering - Section 4
Water Supply Engineering - Section 5
Water Supply Engineering - Section 6
Water Supply Engineering - Section 7
Water Supply Engineering - Section 8

  1. Disinfection of drinking water, is done to remove

    2. A.
    odour
    B.
    bacterias
    C.
    turbidity
    D.
    colour.

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  2. Sunlight

    3. A.
    helps growth of bacterias
    B.
    impedes growth of algae
    C.
    increases dissolved oxygen content
    D.
    reduces turbidity.

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  3. The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is

    4. A.
    2 m
    B.
    2.25 m
    C.
    2.50 m
    D.
    2.75 m
    E.
    3.00 m.

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  4. Average annual rainfall at any station is the average of annual rainfall over a period of

    5. A.
    7 years
    B.
    14 years
    C.
    21 years
    D.
    28 years
    E.
    35 years.

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  5. Time of concentration

    6. A.
    is the time taken, for precipitation
    B.
    duration of rainfall.
    C.
    time taken for all the ran off to reach the drain
    D.
    time taken for the storm water to travel from the most remote point to the drain.

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  6. If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is

    7. A.
    1880 kilo litres
    B.
    2880 kilo litres
    C.
    3880 kilo litres
    D.
    4880 kilo litres.

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  7. The fire demand of a city may be worked out by

    8. A.
    Kuichling's formula
    B.
    Freeman formula
    C.
    Under Writers formula
    D.
    Bustan's formula
    E.
    All the above.

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  8. Aeration of water is done to remove

    9. A.
    odour
    B.
    colour
    C.
    bacterias
    D.
    hardness
    E.
    turbidity.

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  9. The yield of a rapid gravity filter as compared to that of slow sand filter, is

    10. A.
    10 times
    B.
    15 times
    C.
    20 times
    D.
    30 times
    E.
    35 times.

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