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Gage pressure is the difference between atmospheric pressure and absolute pressure. If you fill your tire to 35 psi as read on a tire gage, this is the gage pressure. The absolute pressure inside the tire is the pressure of the atmosphere (14.7 psi normally at sea level) plus the gage pressure.

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14y ago

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Gauge pressure is calculated by subtracting the atmospheric pressure from the absolute pressure. It is important to note that gauge pressure readings are relative to atmospheric pressure. So, to find gauge pressure, you would subtract the atmospheric pressure from the total pressure reading obtained.

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11mo ago
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Q: How do you find gage pressure?
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