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1. If a certain gasoline weighs 7 KN/m 3 , what are the values of its density, specific volume, a... more 1. If a certain gasoline weighs 7 KN/m 3 , what are the values of its density, specific volume, and specific gravity relative to water at 15 0 C? a.) ρ = b.) ѵ = . Solution: P = wsh 10.5 -26.68sin = 0 P = (9.81) (13.6) (0.20) 26.68sin = 10.5 P = 26.68 kpa = 22.6 ° 25. In fig. determine the elevation of the liquid surface in each piezometer. EL. 7 m (s= 0.75) EL. 4.5 m (s= 1.00) EL. 4.35 m EL. 2.15 m EL. 2 m (s= 1.50) 26. In fig. fluid A is water, fluid B is oil(s= 0.85). Determine the pressure difference between points m and n. Solution: 1.02 = yx 68x = z 170y = 68x Pm/wy -0.68 (0.85) + x = Pn/w Pm -Pn = [ ( yx ) + ( 0.65 ) (0.85) ] 9.81 Pm -Pn = ( 1.02 + 0.578) (9.81) Pm -Pn = 15.67 kpa
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1. If a certain gasoline weighs 7 KN/m 3 , what are the values of its density, specific volume, a... more 1. If a certain gasoline weighs 7 KN/m 3 , what are the values of its density, specific volume, and specific gravity relative to water at 15 0 C? a.) ρ = b.) ѵ = . Solution: P = wsh 10.5 -26.68sin = 0 P = (9.81) (13.6) (0.20) 26.68sin = 10.5 P = 26.68 kpa = 22.6 ° 25. In fig. determine the elevation of the liquid surface in each piezometer. EL. 7 m (s= 0.75) EL. 4.5 m (s= 1.00) EL. 4.35 m EL. 2.15 m EL. 2 m (s= 1.50) 26. In fig. fluid A is water, fluid B is oil(s= 0.85). Determine the pressure difference between points m and n. Solution: 1.02 = yx 68x = z 170y = 68x Pm/wy -0.68 (0.85) + x = Pn/w Pm -Pn = [ ( yx ) + ( 0.65 ) (0.85) ] 9.81 Pm -Pn = ( 1.02 + 0.578) (9.81) Pm -Pn = 15.67 kpa