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Encyclopedia > Relative pressure

Relative pressure is pressure as compared to atmospheric pressure, or the average pressure of air and Earth's sea level — 101.325 KPa, or 1 atm. Therefore, the relative pressure of ambient air at sea level is usually close to zero. diurnal (daily) rhythm of air pressure in northern Germany (black curve is air pressure) Atmospheric pressure is the pressure above any area in the Earths atmosphere caused by the weight of air. ... This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Earth, also known as the Earth or Terra, is the third planet outward from the Sun. ... For considerations of sea level change, in particular rise associated with possible global warming, see sea level rise. ... The pascal (symbol Pa) is the SI unit of pressure. ...


A total vacuum, with absolute pressure of zero, would have relative pressure of -1 atm. Likewise, a gas at absolute pressure of 10 atm would have a relative pressure of 9 atm. See vacuum cleaner for information on the home appliance. ... Gas (actually, as), the GNU assembler, is the default GCC back-end. ...


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Relative pressure - Wikipedia, the free encyclopedia (98 words)
Relative pressure is pressure as compared to atmospheric pressure, or the average pressure of air and Earth's sea level — 101.325 KPa, or 1 atm.
Therefore, the relative pressure of ambient air at sea level is usually close to zero.
Likewise, a gas at absolute pressure of 10 atm would have a relative pressure of 9 atm.
Caltrans Online Training-Highway Traffic Noise Fundamentals (212 words)
When we examine the values of relative pressures and energy expressed in powers of ten, we notice that the exponent of the relative energy value is one-tenth of the decibel value.
The exponent of the relative pressure is one-half of that of the relative pressure, or one-twentieth of the decibel level.
For instance, the relative energy of 50 decibels is 105, and the relative pressure is 102.5.
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