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The pitot tube senses

  • A.Total pressure
  • B.Static pressure
  • C.Dynamic pressure directly
  • D.Ambient temperature

Answer: A

Correct answer: Total pressure

The pitot tube faces into the airflow, so the air is brought to rest at its mouth and the pressure sensed is the sum of the static and the dynamic components - total, or stagnation, pressure. Dynamic pressure is never measured directly by any probe: it is obtained by subtracting the static pressure, sensed separately at a flush port, from this total.

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