Engineering Board Exam Reviewer · Thermodynamics · medium

A pressure gauge on a tank reads 250 kPa. If the atmospheric pressure is 101.325 kPa, what is the absolute pressure in the tank?

1. 351.325 kPa
2. 148.675 kPa
3. 250 kPa
4. 2.47 kPa

Answer

A. 351.325 kPa

Solution

P abs = Pgauge + P atm = 250 + 101.325 = 351.325 kPa.

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