Engineering Board Exam Reviewer · Fluid Mechanics · medium

A Pitot tube in a water stream shows a difference of 150 mm between the stagnation and static heads. What is the velocity of the stream?

  1. 2.943 m/s
  2. 1.716 m/s
  3. 1.213 m/s
  4. 54.249 m/s

Answer

B. 1.716 m/s

Solution

V = sqrt(2g h) = sqrt(2 × 9.81 × 0.15) = 1.716 m/s.

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