A gauge indicates 15 PSIG. What is the absolute pressure?
- 30 PSI.
- 15 PSI.
- 45 PSI.
Explanation from PART66Online
Absolute pressure equals gauge pressure plus atmospheric pressure. A gauge reading 15 PSIG plus the roughly 15 PSI of atmospheric pressure gives about 30 PSI absolute. The 15 PSI option forgets to add atmospheric pressure.
A
alexeft13 asked · 11 Sep 2020
why?
Community Comments (1)
C
claus
10 Apr 2026
15 psi + 14.7 (atmospheric pressure)=29.7 almost 30
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