Problem A barometer reads 760 mm Hg and a pressure gage attached to a tank of oil (s = 0.8) reads 850 cm. What is the absolute pressure in the tank in kilogram per square centimeter?

Answer Key

Solution

$p_{abs} = (1000 \times 13.6)(0.76) + (1000 \times 0.8)(8.5)$

$p_{abs} = 17136 ~ \text{kg/m}^2$

$p_{abs} = 1.71 ~ \text{kg/cm}^2$ ← answer

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