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Pressure Practice Test
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Q1
Ethanol has a specific gravity of 0.780. If a long barometer tube is placed in a dish of ethanol, with the top end open to the atmosphere, to what height in the tube will the ethanol rise?
Atmospheric pressure = 1.01 * 105 Pa
g = 9.81 m/s2
Density of water = 1000 kg/m3)
Ethanol has a specific gravity of 0.780. If a long barometer tube is placed in a dish of ethanol, with the top end open to the atmosphere, to what height in the tube will the ethanol rise?
Atmospheric pressure = 1.01 * 105 Pa
g = 9.81 m/s2
Density of water = 1000 kg/m3)
deep, where the gauge pressure reads 
, to the surface, where the gauge pressure reads 
. Upon reaching the surface, by what percent has the pressure experienced by the diver changed?