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.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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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