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  • Question

  • Hydraulic ram is a device


  • Options
  • A. for lifting water without an electric motor
  • B. for accelerating water flow
  • C. for lifting heavy loads
  • D. none of these.

  • Correct Answer
  • for lifting water without an electric motor 

    • Hydraulics problems

    Search Results

    • 1. For most economical rectangular section of a channel, the depth is kept

    • Options
    • A. one-fourth of the width
    • B. three times the hydraulic radius
    • C. half the width
    • D. hydraulic mean depth
    • E. none of these.
      • Discuss
    • 2. A rectangular channel 6 m wide and 3 m deep and having a bed slope as 1 in 2000 is running full. If Chezy's constant C = 54.8, pick up the correct specification of the channel from the following :

    • Options
    • A. hydraulic mean depth = 1.5 m
    • B. Velocity of flow = 1.5 m/sec
    • C. Rate of flow = 27 m3/sec
    • D. All the above.
      • Discuss
    • 3. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

    • Options
    • A. Euler number
    • B. Frode number
    • C. Reynold number
    • D. Weber number.
      • Discuss
    • 4. The valve closure is said to be sudden if

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. The terminal velocity (v) of a sphere of radius r and specific weight W, which travels vertically downwards in a liquid of viscosity ? and specific weight W, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. When water flows over a rectangular suppressed weir, the negative pressure created beneath the nappe

    • Options
    • A. increases the discharge
    • B. decreases the discharge
    • C. does not effect the discharge
    • D. none of these.
      • Discuss
    • 7. A closed cylindrical vessel of 100 cm diameter and 200 cm high is completely filled with a liquid (sp. weight 1600 kg/m3) when rotated about its vertical axis at 100 r.p.m. The total pressure on its lid, is

    • Options
    • A. 459 kg
    • B. 549 kg
    • C. 945 kg
    • D. 954 kg
    • E. 95.4 kg.
      • Discuss
    • 8. To avoid the force of surface tension in an inclined manometer, the minimum angle of inclination is

    • Options
    • A. 2°
    • B. 3°
    • C. 4°
    • D. 5°
      • Discuss
    • 9. Non-over flow double curvature concrete arch, is provided in

    • Options
    • A. Bhakra dam
    • B. Hirakund dam
    • C. Nagarjuna Sagar dam
    • D. Idukki dam.
      • Discuss
    • 10. The discharge through a 100 mm diameter external mouth piece fitted to the side of a large vessel is 0.05948 m3/s. The head over the mouth piece is

    • Options
    • A. 2 m
    • B. 2.5 m
    • C. 3.0 m
    • D. 4.0 m.
      • Discuss

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