Question: What is the uncertainty in using pressure measurement as an altimeter? A gage on an airplane measures a local pressure of 54 kPa with an

What is the uncertainty in using pressure measurement as an altimeter? A gage on an airplane measures a local pressure of 54 kPa with an uncertainty of 3 kPa. The lapse rate is 0.006 K/m with an uncertainty of 0.001 K/m. Effective sea-level temperature is 10°C with an uncertainty of 5°C. Effective sea-level pressure is 100 kPa with an uncertainty of 2 kPa. Estimate the plane’s altitude and its uncertainty.

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Based on average values in Eq 227 p 54 kPa po 100 kPa B 0006 Km To 10C zavg 4835 m Considerin... View full answer

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