Answer:
absolute pressure = 1.07 lbft/in^2
Explanation:
given data:
vaccum gauge reading h = 27.86 inch = 2.32 ft
we know that
gauge pressure p is given as


we know that 
1 ft = 12 inch
therefore 


so absolute pressure = 
= 14.66 - 13.59 = 1.07 lbft/in^2
ur answer would be 4x the work!!!
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The process is called neutralization.
Hope this helps!
The answer is b after I finish my test ill give you the anwsers