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types of pressure

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BeatySwalls | 19:32 Mon 18th May 2009 | Science
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can anyone explain to me the two types of pressure. what is it absolute and something else. i did get a 2.1 in engineering a few years ago but in one ear and out the other so to speak. thanks
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Avatar Image scotman
You may be thinking of Absolute and Gauge pressure. Absolute has its zero as pure vacuum; Gauge pressure is relative to atmospheric pressure
20:15 Mon 18th May 2009
Avatar Image BeatySwalls
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thats the one thanks.
20:26 Mon 18th May 2009
Avatar Image Fair-Stumped
As a general guide 0 Bar Gauge (BarG) is equivalent to 1 Bar Absolute (BarA). The difference between them is a constant value of 1 Bar.
21:50 Mon 18th May 2009

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