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  • Question
  • Most commonly used pump for lifting water in water supply mains, is


  • Options
  • A. axialflow pump
  • B. reciprocating pump
  • C. rotary type pump
  • D. centrifugal pumps
  • E. none of these.

  • Correct Answer
  • axialflow pump 


  • Water Supply Engineering problems


    Search Results


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

    • Options
    • A. Kuichling's formula
    • B. Freeman formula
    • C. Under Writers formula
    • D. Bustan's formula
    • E. All the above.
    • Discuss
    • 2. Turbidity of raw water is a measure of

    • Options
    • A. suspended solids
    • B. acidity of water
    • C. B.O.D.
    • D. none of these.
    • Discuss
    • 3. Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be

    • Options
    • A. nil
    • B. 5
    • C. 10
    • D. 15
    • E. 20
    • Discuss
    • 4. Water supply system includes

    • Options
    • A. digging a well for water
    • B. construction of dams
    • C. construction of canals
    • D. entire arrangement from source to distribution.
    • Discuss
    • 5. Most satisfactory formula for an estimate of fire demand Q for a city of population P in thousands for Indian conditions, is

    • Options
    • A.
    • B. Q = 1640 P (1 - 0.01 P)
    • C. Q = 3180 P
    • D. none of these.
    • Discuss
    • 6. Surge tanks are used

    • Options
    • A. for storage water
    • B. to increase the velocity in a pipeline
    • C. as overflow valves
    • D. to guard against water hammer.
    • Discuss
    • 7. Asbestos pipes are

    • Options
    • A. light in weight and easy to transport
    • B. highly resistant to corrosion
    • C. high flexible to accommodate deflection upto 12°
    • D. very much smooth and hydraulically efficient
    • E. all the above.
    • Discuss
    • 8. A fillet weld may be termed as

    • Options
    • A. mitre weld
    • B. concave weld
    • C. convex weld
    • D. all the above.
    • Discuss
    • 9. The rolled steel I-sections are most commonly used as beams because these provide

    • Options
    • A. large moment of inertia with less cross-sectional area
    • B. large moment of resistance as compared to other section
    • C. greater lateral stability
    • D. all the above.
    • Discuss
    • 10. For determination of allowable stress in axial compression, Indian Standard Institution has adopted

    • Options
    • A. Euler's formula
    • B. Rankine formula
    • C. Engesser formula
    • D. Secant formula
    • E. Perry Robertson formula.
    • Discuss


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