What is a barometric altimeter?(a) A device used to measure the height above a fixed level with the help of barometric pressure changes(b) A device used to measure the pressure above a fixed level with the help of barometric pressure changes(c) A device used to measure the height above a fixed level with the help of pitot tube pressure changes(d) A device used to measure the pressure above a fixed level with the help of pitot tube pressure changesThis question was posed to me in an interview.My enquiry is from Measurement of Height topic in chapter Atmosphere and Air Data Measurement of Aircraft Performance

What is a barometric altimeter?(a) A device used to measure the height

1.	What is a barometric altimeter?(a) A device used to measure the height above a fixed level with the help of barometric pressure changes(b) A device used to measure the pressure above a fixed level with the help of barometric pressure changes(c) A device used to measure the height above a fixed level with the help of pitot tube pressure changes(d) A device used to measure the pressure above a fixed level with the help of pitot tube pressure changesThis question was posed to me in an interview.My enquiry is from Measurement of Height topic in chapter Atmosphere and Air Data Measurement of Aircraft Performance
Answer» RIGHT answer is (a) A device used to measure the height above a fixed level with the help of BAROMETRIC PRESSURE changes The best explanation: Barometric altimeter is a device used to measure the height above fixed level with the help of barometric pressure changes. Barometric altimeter is calibrated as soon as the flight is reached to a KNOWN altitude, at this point the barometric altimeter will accurate to 1metre.

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