Question

what is a guage pressure? ?​

Answer 1

Answer:

gauge pressure is the pressure relative to atmospheric pressure

gauge pressure is positive for pressures above atmospheric pressure, and negative for pressures below it

pg = p - pa, where pg is the guage pressure and pa is the local atmospheric pressure

Explanation:

hope it helps

Answer 2

Answer:

Pressure measurement

Explanation:

Pressure measurement is the analysis of an applied force by a fluid on a surface. Pressure is typically measured in units of force per unit of surface area. Many techniques have been developed for the measurement of pressure and vacuum.