Streamline Flow MCQ

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• A tube of uniform cross section always has water flowing through it. It is kept vertical in such a way that water enters from top and leaves from the bottom. If the speed at a point A below the opening is ‘v’, what will be the speed at a point B vertically below A such that the distance between A & B is ‘2h’?
  ক

  v

  খ

  \(\sqrt{v^2 + 4gh}\)

  গ

  \(\sqrt{v^2 + 2gh}\)

  ঘ

  v/2
• Streamlines of steady flows can be curved.
  ক

  True

  খ

  False
• In which one of the following cases can the equation of continuity be used?
  ক

  Compressible flow

  খ

  Incompressible flow

  গ

  Turbulent flow

  ঘ

  Viscous flow
• On which of these following options is the continuity equation based?
  ক

  Work energy theorem

  খ

  Law of conservation of energy

  গ

  Conservation of mass

  ঘ

  Conservation of momentum
• Choose the correct option regarding a streamline.
  ক

  Speed, not velocity, at all points of a streamline is same

  খ

  Two streamlines can intersect in case of laminar flow

  গ

  There is no friction between streamlines in case of steady flow

  ঘ

  In a given streamline, velocity of a point can vary with time
• Velocity has to be the same at the same horizontal level in case of steady laminar flow.
  ক

  True

  খ

  False