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  • Question

  • Most commonly used section in grade aqueducts, is


  • Options
  • A. circular
  • B. rectangular
  • C. parabolic
  • D. horse shoe section.

  • Correct Answer
  • rectangular 

    • Water Supply Engineering problems

    Search Results

    • 1. Pick up the correct statement from the following :

    • Options
    • A. Water with hardness upto 75 ppm is considered soft
    • B. Water with hardness more than 200 ppm is considered hard
    • C. Water needed for laundaries should contain hardness less than 75 ppm
    • D. To provide taste during drinking, water should possess hardness between 75 to 120
    • E. All the above.
      • Discuss
    • 2. The fire demand for a city of 50, 000 population, according to Godrich formula, is

    • Options
    • A. 40 mld
    • B. 42 mld
    • C. 44 mld
    • D. 48 mld.
      • Discuss
    • 3. Cast iron pipes are generally preferred to, because

    • Options
    • A. of moderate cost
    • B. of ease to join
    • C. of durability
    • D. of longer life
    • E. all the above.
      • Discuss
    • 4. Pressure exerted at 90° bend in a pipe of cross-sectional area A and carrying water with a velocity V under a pressure p, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. The valve shown in the below figure, is generally known as

    • Options
    • A. air valve
    • B. pressure relief valve
    • C. sluice valve
    • D. none of these.
      • Discuss
    • 6. Specific capacity or yield of wells, is generally expressed, as

    • Options
    • A. m3 per sec
    • B. m3/hour
    • C. m3/hour/m2
    • D. m3/hour/m2/m
    • E. m3/hour/m2/sec.
      • Discuss
    • 7. The type of pipe commonly used in water supply distribution schemes, is

    • Options
    • A. R.C.C. pipes
    • B. Hume pipes
    • C. Cast iron pipes
    • D. G.I. pipes.
      • Discuss
    • 8. Most important source of water for public water supply, is from

    • Options
    • A. lakes
    • B. ponds
    • C. streams
    • D. rivers
    • E. sea.
      • Discuss
    • 9. The maximum pressure to which cast iron pipes may be subjected to, is

    • Options
    • A. 3 kg/cm2
    • B. 5 kg/cm2
    • C. 7 kg/cm2
    • D. 10 kg/cm2.
      • Discuss
    • 10. If the chosen diameter of a pipe, is less than the economical diameter

    • Options
    • A. cost of pipe will be less
    • B. head loss will be high
    • C. cost of pumping will be more than saving
    • D. all the above.
      • Discuss

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