A mercury manometer (? = 13,600 kg/m3) is connected to an air duct to measure the pressure inside. The difference in the manometer levels is 25 mm, and the atmospheric pressure is 100 kPa. (a) determine if the pressure in the duct is above or below the atmospheric pressure. (b) Determine the absolute pressure in the duct.

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A: for solution refer below images.

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Q: A U-tube manometer filled with mercury is attached to a gas tank. The level of mercury on the open…

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