Freshwater and seawater flowing in parallel horizontal pipelines are connected to each other by a double U-tube manometer, as shown. Determine the pressure difference between the two pipelines in Pa. Take the density of seawater at that location to be 1035 kg/m3. Neglect the air column.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Freshwater and seawater flowing in parallel horizontal pipelines are connected to each other by a double U-tube manometer, as shown. Determine the pressure difference between the two pipelines in Pa. Take the density of seawater at that location to be 1035 kg/m3. Neglect the air column.

Freshwater and seawater flowing in parallel horizontal
pipelines are connected to each other by a double U-tube
manometer, as shown. Determine the pressure difference
between the two pipelines in Pa. Take the density of seawater
at that location to be 1035 kg/m3. Neglect the air column.
- Air
Fresh-
water
40 cm
70 cm
Sea-
water
60 cm
10 cm
-Mercury
Ratio
Ratio
Fluid
kgm
8.8 E-6
1.8 E-5
1.O5 E-4
1.51 E-5
Hydrogen
1.0
0.084
920
Air
2.1
1.20
130
Gasoline
2.9 E-4
33
680
3.7
4.22 E-7
101 E-6
Water
1O E-3
114
998
8.7
Ethyl alcohol
Mercury
1.2 E-3
135
789
1.52 E-6
13
1.5 E-3
170
13,580
1.16 E-7
1.0
SAE 30 oil
0.29
33,000
891
3.25 E-4
2850
Glycerin
1.5
170,000
1,264
1.18 E-3
10,300
'I kgl(m - s) = 00209 slug/(f • 8); 1 m's = 10.76 nʼs.
3.39
Transcribed Image Text:Freshwater and seawater flowing in parallel horizontal pipelines are connected to each other by a double U-tube manometer, as shown. Determine the pressure difference between the two pipelines in Pa. Take the density of seawater at that location to be 1035 kg/m3. Neglect the air column. - Air Fresh- water 40 cm 70 cm Sea- water 60 cm 10 cm -Mercury Ratio Ratio Fluid kgm 8.8 E-6 1.8 E-5 1.O5 E-4 1.51 E-5 Hydrogen 1.0 0.084 920 Air 2.1 1.20 130 Gasoline 2.9 E-4 33 680 3.7 4.22 E-7 101 E-6 Water 1O E-3 114 998 8.7 Ethyl alcohol Mercury 1.2 E-3 135 789 1.52 E-6 13 1.5 E-3 170 13,580 1.16 E-7 1.0 SAE 30 oil 0.29 33,000 891 3.25 E-4 2850 Glycerin 1.5 170,000 1,264 1.18 E-3 10,300 'I kgl(m - s) = 00209 slug/(f • 8); 1 m's = 10.76 nʼs. 3.39
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