A hydrocracker tower 52 Ft tall has a liquid level of 24.5 feet. At 280 Degree F

Question

A hydrocracker tower 52 Ft tall has a liquid level of 24.5 feet. At 280 Degree F the hydrocrackate has. specific gravity of 0.66 and a vapor pressure of 25 lbs. If the H_2 pressure on the tower is 80 Ibs/psi: What is the pressure on the bottom of the tower? What is the pressure at the top of the tower? What is the pressure at the liquid level in the tower? Salt water has a specific gravity of 1.101 compared to fresh water. If a diver descends to a level of 180' what is the pressure exerted on the diver? How many atmospheres of pressure does the diver in question #32 experience?

Explanation / Answer

Pstatic fluid = gh

where

= m/V = fluid density
g = acceleration of gravity
h = depth of fluid

now, calculating density from specific gravity:

The conversion formula used by this tool is:

SG = / 0

Symbols

so denisty of salt water= 1101 kg/m3

plugging in the values in formula for pressure:

height=180 inches= 4.572 m

pressure= 9.8*1101*4.572 = 49330.9 pa = 4.93309 kPa

Pstatic fluid = gh

where

= m/V = fluid density
g = acceleration of gravity
h = depth of fluid

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