Answer :
The depth of oil, specific gravity of 0.750, will produce a pressure of 26 psig is =92.3 ft
PSIG refers to pounds per square inch Gauge (S.G.) oil = 0.750
P(ress )=30 psig = 30lb/in²
density of water ρ(w)= 62.4 pound/ft³
=62.4/(12)³ lb/in³
=0.03611 lb/in³
p(ress)=ρ H
30=(s.g) xρ H
30 = 0.750X 62.4/(12)³ H
H = 30x (12)3/0.750 x 62.4
H = 1107.69 in.
=92.3 ft
Relative gravity is another name for specific gravity. Since it lacks any dimensions, it must be a dimensionless quantity. The ratio of a substance's density to that of water at a specific temperature can be used to characterize it. It is significant to remember that temperature is a key factor in influencing any substance's specific gravity. As a result, a substance's specific gravity is a quality that depends on its temperature. Additionally, every substance's specific gravity is impacted by pressure.
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