Also known as: AP., AP..., ap_
AP has various meanings in the Underwater category. Discover the full forms, definitions, and usage contexts of AP in Underwater.
Pressure of a fluid measured above a perfect vaccum In practical engineering, it is taken as steam pressure plus 15 lbs Absolute pressure of condenser is taken to be in barometric inches-half height of barometer minus vacuum reading
UnderwaterThe pressure outside the aircraft
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