Process Fluid Flow 2B
1)
Tutorial 1 (Manometry)
23 July 2025
For the stationary fluid shown in Figure 1, the pressure at point B is 20 kPa greater than
at point A. Determine the specific weight of the manometer fluid.
Figure 1
2)
The manometer fluid in the manometer of Figure 2 has a specific gravity of 3.46. Pipes
A and B both contain water. If the pressure in pipe A is decreased by 1.3 psi and the
pressure in pipe B increases by 0.9 psi, determine the new differential reading (Δh) of
the manometer in meters.
Figure 2
3)
A U-tube manometer is connected to a closed tank containing air and water as shown
in Figure 3. At the closed end of the manometer the air pressure is 16 psia. Determine
the reading on the pressure gage for a differential reading of 4 ft on the manometer.
Express your answer in psi (gage). Assume standard atmospheric pressure and neglect
the weight of the air columns in the manometer.
Figure 3
4) The tube in Figure 4 is filled with mercury from A to B, and with water from B to C.
Determine the height h of the water column for equilibrium.
Figure 4
Reference(s)
Munson, B. R., Young, D. F., and Okiishi, T. H. 2006. Fundamentals of Fluid Mechanics. 5
ed. Wiley: New York.
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