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December 21, 2014

Homework Help: Physics/Chemistry

Posted by Angie on Tuesday, September 18, 2012 at 9:10pm.

I am not producing the correct answer which is 2.06 psia.

Question: The pressure gauge on the steam condenser for a turbine indicates 26.2 in. Hg of vacuum. The barometer reading is 30.4 in. Hg. What is the absolute pressure in the condenser in psia?

I know that 1 in. Hg = 0.4912 psia
And that
pabs = patm + pgauge
My answer was 27.8 psia
What am I doing wrong?

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