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  • Question

  • The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is


  • Options
  • A. 2.0 m3
  • B. 2.5 m3
  • C. 3.0 m3
  • D. 4.0 m3.

  • Correct Answer
  • 4.0 m3. 

    • Hydraulics problems

    Search Results

    • 1. For critical depth of flow of water in open channels, fc the specific energy must be :

    • Options
    • A. minimum
    • B. maximum
    • C. average of maximum and minimum
    • D. None of these.
      • Discuss
    • 2. In a centrifugual pump casing, the flow of water leaving the impeller, is

    • Options
    • A. rectilinear flow
    • B. radial flow
    • C. free vortex motion
    • D. forced vertex.
      • Discuss
    • 3. In fluids, steady flow occurs when

    • Options
    • A. conditions of flow change steadily with time
    • B. conditions of flow do not change with time at a point
    • C. conditions of flow remain the same at adjacent point
    • D. velocity vector remains constant at a point.
      • Discuss
    • 4. The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure

    • Options
    • A.
    • B.
    • C.
    • D. none of these.
      • Discuss
    • 5. If S is the length of the crest, H is the height of water source of a weir whose length is L and discharge is Q m3/sec, the velocity of approach Vd is

    • Options
    • A. 2gH
    • B.
    • C.
    • D.
    • E. none of these.
      • Discuss
    • 6. Hydraulic gradient is equal to difference in water surfaces

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. Cavitation is caused by

    • Options
    • A. Low pressure
    • B. High pressure
    • C. Low velocity
    • D. High velocity
    • E. None of these.
      • Discuss
    • 8. A steady uniform flow is through

    • Options
    • A. a long pipe at decreasing rate
    • B. a long pipe at constant rate
    • C. an expanding tube at constant rate
    • D. an expanding tube at increasing rate
    • E. a long pipe at increasing rate.
      • Discuss
    • 9. Gauge pressure is

    • Options
    • A. absolute pressure - atmospheric pressure
    • B. absolute pressure + atmospheric pressure
    • C. atmospheric pressure - absolute pressure
    • D. none of these.
      • Discuss
    • 10. The height of water level in a tank above the centre of a circular hole 2.5 cm in diameter is 50 m. The velocity of water flowing through the hole, is

    • Options
    • A. 31.1 m/sec
    • B. 31.2 m/sec
    • C. 31.3 m/sec
    • D. 31.4 m/sec.
      • Discuss

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