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Hydraulics problems

  • 1. For a long pipe, the head loss

  • Options
  • A. at the entrance is ignored
  • B. at the outlet is ignored
  • C. at the entrance and outlet both are ignored
  • D. due to friction is ignored.
    • Discuss
  • 2. If the Mach number for a fluid flow is less than 1, the flow is

  • Options
  • A. sonic
  • B. supersonic
  • C. sub-sonic
  • D. none of these.
    • Discuss
  • 3. The minimum specific energy of flow of water in open channel is : (where hc is the critical depth)

  • Options
  • A. hc
  • B.
  • C.
  • D. hc
    • Discuss
  • 4. Orifice-meter is used to measure

  • Options
  • A. pressure at the point
  • B. discharge
  • C. average speed
  • D. velocity.
    • Discuss
  • 5. The pressure variation along the radial direction for vortex flow along a horizontal plane is related by

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 6. A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water

  • Options
  • A. rises on the front side of the tank
  • B. falls on the back side of the tank
  • C. remains the same at both sides of the tank
  • D. rises on the back side and falls on the front side
  • E. none of these.
    • Discuss
  • 7. In a venturimeter, the divergent cone is kept

  • Options
  • A. shorter than convergent cone
  • B. equal to covergent cone
  • C. longer than convergent cone
  • D. none of these.
    • Discuss
  • 8. In flowing liquids pitot tubes are used measure

  • Options
  • A. discharge
  • B. pressure
  • C. velocity
  • D. depth.
    • Discuss
  • 9. The upper surface of the weir over which water flows, is known as

  • Options
  • A. vein
  • B. nappe
  • C. sill
  • D. none of these.
    • Discuss
  • 10. The instrument used for measuring the velocity of flow, is known as

  • Options
  • A. venturimeter
  • B. orifice meter
  • C. pitot tube
  • D. none of these.
    • Discuss

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