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To change from psig to psia, you must add ____ to psig.

Answer :

Answer:

14.7 psi

Explanation:

At sea level, the standard atmospheric pressure is approximately 14.7 psi.

Therefore, to convert from psig to psia, you would add 14.7 psi

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Final answer:

To convert psig to psia, you add the atmospheric pressure of approximately 14.7 psi to the psig value.

Explanation:

To change from pounds per square inch gauge (psig) to pounds per square inch absolute (psia), you must add the atmospheric pressure to psig. Since psig measures the pressure relative to atmospheric pressure, and psia measures the pressure relative to a perfect vacuum, converting between these two requires accounting for the atmospheric pressure, which at sea level is approximately 14.7 psi.

The formula for this conversion is simple:
psia = psig + 14.7 psi

It's important to note that if you are working at altitude or in conditions where the atmospheric pressure is significantly different from 14.7 psi, you'll need to adjust this value accordingly.