High School

If a gas has an absolute pressure of 319 kPa, its gage pressure is


A. 219 kPa.

B. 439 kPa.

C. 419 kPa.

D. 199 kPa.

Answer :

Absolute pressure is the sum of gauge pressure and the atmospheric pressure. Gauge pressure is the pressure measured above atmospheric.

Calculations are as follows:
319 kPa = Gauge pressure + 101.325 kPa

Gauge pressure = 217.68 kPa

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