Measurement of Velocity in a Compressible Flow MCQ

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• The Rayleigh Pitot tube formula does not relate which of these quantities to the others?
  ক

  Pitot pressure

  খ

  Free-stream static pressure

  গ

  Free-stream Mach number

  ঘ

  Upstream flow velocity
• For supersonic compression flows, there is a bow shock formed at the mouth of the Pitot tube.
  ক

  False

  খ

  True
• For subsonic compressible flow, which of these is not required to be measured separately to find the velocity of flow?
  ক

  Stagnation pressure

  খ

  Static pressure

  গ

  Mach number

  ঘ

  Free-stream of sound
• For compressible flow also, we can calculate velocity with the Pitot and static pressure found.
  ক

  False

  খ

  True
• The definition of stagnation pressure can help us calculate the velocity of sound for an incompressible flow. What else do we need for the calculation?
  ক

  Ambient temperature

  খ

  Total pressure

  গ

  Static velocity

  ঘ

  Static pressure