3. A U-tube manometer containing mercury gives a height reading of 250 mm of mercury when connected to a gas cylinder. If the barometer reading at the same time is 756 mm of mercury, calculate the absolute pressure of the gas in the cylinder? [Ans. 134 kPa]

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3. A U-tube manometer containing mercury gives a height reading of 250 mm
of mercury when connected to a gas cylinder. If the barometer reading at the
same time is 756 mm of mercury, calculate the absolute pressure of the gas in
the cylinder? [Ans. 134 kPa]
Transcribed Image Text:3. A U-tube manometer containing mercury gives a height reading of 250 mm of mercury when connected to a gas cylinder. If the barometer reading at the same time is 756 mm of mercury, calculate the absolute pressure of the gas in the cylinder? [Ans. 134 kPa]
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