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Problem 2.47 The inverted U-tube manometer is used to measure the difference in pressure between water flowing in the pipes at A and B. P = 1000 kg/m. (Figure 1) Figure 1 75 mm of 1 225 mm + 150 mm D B 300 mm Part A If the top segment is filled with air, and the water levels in each segment are as indicated, determine this pressure difference between A and B. Express your answer to three significant figures and include the appropriate units. PB PA= Submit A Value Units My Answers Give Up ? Provide Feedback Continue