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Question: 7 two closed containers a and b containing two gases...

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#7. Two closed containers A and B containing two gases are connected by a water manometer. If the gage pressure of chamber A is 10 mm of Hg vacuum and the height difference of the water column is 10 cm. Determine the gage pressure in tank B if ρwater-923 kg/m. ANS:-2.238 kPa

#9. Consider the system shown in the figure. If a change of 0.7 kPa in the pressure of air causes the brine-mercury interface in the right column to drop by 5 mm in the brine level in the right column while the pressure in the brine pipe remains constant, Determine the ratio of A2/A ANS: 0.134

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