A U-Shaped Manometer, Filled with a Liquid of Unknown Density

question 29

Multiple Choice

A U-shaped manometer, filled with a liquid of unknown density, is connected on one side to a vessel containing gas at gauge pressure 10.0 kPa, and the other side is open to the atmosphere (pressure 101.3 kPa) . The level of the liquid in the side connected to the gas vessel is lower than on the open side. The difference in height between the two sides is 10 cm. What is the density of the liquid in the manometer?

• A) 1.13 × 10³ kg/m³
• B) 2.27 × 10⁵ kg/m³
• C) 1.03 × 10² kg/m³
• D) 1.13 × 10⁵ kg/m³
• E) 1.02 × 10⁴ kg/m³

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