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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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