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- In the figure below, pipe A contains gasoline (S.G.=0.75), pipe B contains oil (S.G.=0.91) and the manometer fluid is mercury (S.G.=13.6). The initial differential reading is 0.30m as shown. Determine the pressure difference between A and B.In figure 6, compute the pressure difference between m and n, in pounds per square inch, when: A. Fluid A is brine (sp gr 1.15), the gage fluid is oil (sp gr 0.92), and z = 47.77 in. B. Fluid A is water, the gage fluid is air, and z = 17.77 in.For the system shown below, compute the (a) gage pressure and (b) absolute pressure at point A. The atmospheric pressure is 14.7 psi. Express the pressures in psi (lb/in2)
- Q7. If the surface tension at air - water interface is 0.069 N / m, what is the pressure difference between inside and outside of an air bubble of diameter 0.009 mm?The pressure read on the pressure gauge of the system in the figure is 65 kpa. Considering the data shown, determine the height difference "h" on the differential pressure gauge. Aire = air Agua = water Aceite = oil Mercurio = mercuryWater flows through a horizontal pipe at a rate of 2.4 gallons per second. The pipe consists of two section of diameters 4 inches and 2 inches in a reducing section. The pressure difference between the two pipe sections is measured by a mercury manometer. Neglecting frictional effects and taking the specific gravity of mercury as 3.56, determine the manometer reading h.
- The differential manometer shown in figure 4 is used to measure pressure difference between pipe A and B. Pipe A is conveying water while pipe B is conveying air. If the pressure at B is 12kPa calculate the pressure at A. Figure 4. (a) 35kPa (b) 12kPa (c) 23kPa (d) 24kPaA venturi-meter having an entrance diameter of 300 mm and throat diameter 200 mm is used to measure the volume of a water flowing through a pipe. The coefficient of discharge is 0,96. The reading in the venturi-meter head is 175 mm of water. Determine the pressure difference in Pascals.Figure 1 shows a tank containing water. One side of the tank is open to the atmosphere and theother side is sealed with air above the water.a. Calculate the pressures (gage) at Points A, B, C, D, E and F.b. What is the air pressure in the right side of the tank?
- Water flows from a tank through 160 feet of 4 inches diameter pipe and then discharges into air as shown in the Figure. The flow of water in the pipe is 12cfs. Assume n=0.013 and neglect minor losses. Determine the following: (a) The velocity of flow in the pipe in fps. (b) The total head lost in the pipe in feet. (c) The pressure at the top of the tank in psi.Pitot PipeBy connecting a mercury pressure gauge to a vertical pipeline through which water is transmitted, speed measurement is performed with a pitot tube. Since the deviation from the pressure gauge column is 15 cm, calculate the speed of the water in the pipe. (Pmercury=13560 kg/m3, Pwater=1000 kg/m3) (Answer is V2=6.08 m/s)A gasoline line is connected to a pressure gage through a double-U manometer, as shown. If the reading of the pressure gage is 40 psi, determine the gage pressure of the gasoline line. Assume the unit weight of air to be 0.0765 lb/ft3.