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Civil Engineering :: Water Supply Engineering

  1. According to Kuichling's formula, fire demand in litres per minute for a population of P thousands, is

  2. A.
    3182 P
    B.
    C.
    4637 P [1 - 0.01 P]
    D.
    5663 P.

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  3. The maximum permissible nitrites in public water supplies, is

  4. A.
    Nil
    B.
    0.5 P.P.M.
    C.
    1.0. P.P.M.
    D.
    1.5 P.P.M.
    E.
    200 P.P.M.

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  5. A high velocity of wash water is required for

  6. A.
    rapid gravity filter with strainers
    B.
    rapid gravity filter without strainers
    C.
    slow sand filter with strainers
    D.
    slow sand filter without strainers
    E.
    none of these.

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  7. In distribution pipes, drain valves are provided at

  8. A.
    lower point
    B.
    higher point
    C.
    junction points
    D.
    any where.

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  9. Corrosion of well pipes may not be reduced by

  10. A.
    reducing the draw down and the pumping rate
    B.
    reducing the flow velocity
    C.
    using thicker pipes
    D.
    using screens having larger area of openings
    E.
    none of these.

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  11. Manholes along the mains from the source to a city are provided at 500 m intervals in

  12. A.
    steel pipes
    B.
    R.C.C. pipes
    C.
    hume steel pipes
    D.
    all the above.

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  13. The population growth curve is

  14. A.
    S-shaped curve
    B.
    parabolic curve
    C.
    circular curve
    D.
    straight line
    E.
    none of these.

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  15. Turbidity of raw water is a measure of

  16. A.
    suspended solids
    B.
    acidity of water
    C.
    B.O.D.
    D.
    none of these.

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  17. If V is total consumption of water in litres for a population of N individuals, per capita consumption or water allowance for the water supply Q, is given by

  18. A.
    B.
    C.
    D.
    none of these.

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  19. Water supply includes

  20. A.
    collection, transportation and treatment of water
    B.
    distribution of water to consumers
    C.
    provision of hydrants for fire fighting
    D.
    mains, sub-mains and branch lines of water supply
    E.
    all the above.

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