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2. A simple U-tube manometer containing mercury is connected to a pipe in which oil of...

2. A simple U-tube manometer containing mercury is connected to a pipe in which oil of specific gravity 0.8 is flowing. Its right limb is open to the atmosphere and the left end is connected to the pipe. The center of the pipe is 9 cm below the level of mercury (specific gravity 13.6) in the right limb. If the difference of mercury level in two limbs is 15 cm. Determine the absolute pressure of the oil in the pipe is N/cm2

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