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Problem 2: Calculate the change in height of a fluid in a manometer when it is connected to a gas vessel with internal pressure 230 kPa if the manometer is

filled with: (a) water, (1.0 g/cm³); (b) a liquid metal alloy (6.5 g/cm³), or (c) liquid mercury(13.6 g/cm³). Assume atmospheric pressure is equivalent to 101 kPa. (d) can you think of a good reason why manometers were filled with mercury rather than other fluids?

Fig: 1