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The best place to place a pitot tube on an aircraft for velocity measurement is just behind the jet engine.

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+1 vote
in Fluid Mechanics by (118k points)
The best place to place a pitot tube on an aircraft for velocity measurement is just behind the jet engine.

(a) True

(b) False

I got this question during an interview.

This question is from Introduction to Fluid Dynamics in section Fluid Dynamics of Fluid Mechanics

1 Answer

+2 votes
by (362k points)
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Best answer
Right answer is (b) False

To explain I would say: Pitot tube is used for velocity measurement or airspeed measurement of an aircraft. Placing a pitot tube behind the jet engine will give us the speed of the gas rejected by the jet engine instead of the airspeed, hence, giving us erroneous readings. The best placement would be at a point where the speed of air is closest to the airspeed as seen by the aircraft.

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