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9 Cards in this Set
- Front
- Back
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What is usual method of measuring pressure? |
Mercury barometer |
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How many millibars are in a hectopascal hPa? |
One |
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What is the measurement of inch mercury .. in Hg |
29.92 In Hg Pressure on 1 square cm extending from earths surface to outer limits of atmosphere. |
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Definition: pressure |
Force acting upon a unit of area |
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How is pressure typically expressed? |
In pounds per square inch PSI |
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Standard contions at sea level? |
15 degrees Celsius 59 degrees Fahrenheit 29.92 In Hg 14.69 PSI 1013.2 hPa 101.325 kPa 1013.2 millibars
0% humidity
Also known as an ISA international standard atmosphere |
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What % of atmosphere is below 20,000 ft? |
More than 50% |
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What is ICAO? |
International Civil Aviation Organization |
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A hectopascal is approximately how many inches of mercury? |
1 " / 1013.2 hPa = 0.0295 " |
