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4. A U-tube manometer contains kerosene, mercury and water, each at 70 degrees Fahrenheit. The manometer is connected between two pipes (A and B),

4. A U-tube manometer contains kerosene, mercury and water, each at 70 degrees Fahrenheit. The manometer is connected between two pipes (A and B), and the pressure difference, as measured between the pipe center lines, is PB-PB-4.5 psi. Find the elevation difference z in the manometer. e_k=70F Q_m=70F Q_w=70F 13 2ft herocene mercury water

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