Pitot tubes P1 and P2 are pitot static while the pitot tube P3 is only a pitot tube.

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Multiple Choice

Pitot tubes P1 and P2 are pitot static while the pitot tube P3 is only a pitot tube.

Explanation:
The key idea is that airspeed is determined from the difference between total (pitot) pressure and ambient static pressure. A Pitot-Static arrangement includes both a Pitot tube (to sense total pressure) and static ports (to sense ambient static pressure), so you can compute dynamic pressure and hence airspeed. If a tube is only a Pitot tube, it provides total pressure but has no way to measure static pressure, so it cannot derive airspeed on its own. So, P1 and P2 being Pitot-Static means they carry both pressure paths needed to calculate airspeed, while P3 being only Pitot means it measures total pressure alone without a static reference. That’s why the correct description is that P1 and P2 are Pitot-Static and P3 is Pitot-only.

The key idea is that airspeed is determined from the difference between total (pitot) pressure and ambient static pressure. A Pitot-Static arrangement includes both a Pitot tube (to sense total pressure) and static ports (to sense ambient static pressure), so you can compute dynamic pressure and hence airspeed. If a tube is only a Pitot tube, it provides total pressure but has no way to measure static pressure, so it cannot derive airspeed on its own.

So, P1 and P2 being Pitot-Static means they carry both pressure paths needed to calculate airspeed, while P3 being only Pitot means it measures total pressure alone without a static reference. That’s why the correct description is that P1 and P2 are Pitot-Static and P3 is Pitot-only.

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